{
  "version": "0.1.0",
  "scanTitle": "SCAN: https://ontario.ca",
  "issueNumber": 26,
  "generatedAt": "2026-03-23T11:49:31.345Z",
  "requestedUrls": [
    "https://ontario.ca/",
    "https://ontario.ca/user",
    "https://ontario.ca/fr/node/540561",
    "https://ontario.ca/page/benefits-and-taxes",
    "https://ontario.ca/page/business-and-economy",
    "https://ontario.ca/page/courts-justice-and-law",
    "https://ontario.ca/page/driving-and-road-safety",
    "https://ontario.ca/page/education-and-apprenticeships",
    "https://ontario.ca/page/environment-and-energy",
    "https://ontario.ca/page/family-and-social-services",
    "https://ontario.ca/page/government",
    "https://ontario.ca/page/your-health",
    "https://ontario.ca/page/heritage-arts-and-history",
    "https://ontario.ca/page/home-and-housing",
    "https://ontario.ca/page/immigrate-to-ontario",
    "https://ontario.ca/page/jobs-and-employment",
    "https://ontario.ca/page/land-use-planning",
    "https://ontario.ca/page/recreation-and-tourism",
    "https://ontario.ca/page/rural-agriculture-and-north",
    "https://ontario.ca/page/government-ontario",
    "https://ontario.ca/fr/page/gouvernement-de-lontario",
    "https://ontario.ca/feedback/contact-us?id=7476&nid=540561",
    "https://ontario.ca/fr/page/avantages-fiscaux-et-impots",
    "https://ontario.ca/page/tax-credits-and-benefits-people",
    "https://ontario.ca/page/tax-credits-and-benefits-topic",
    "https://ontario.ca/page/find-benefits-and-programs",
    "https://ontario.ca/page/ministry-finance-tax-talk-information-sessions",
    "https://ontario.ca/page/ontario-disability-support-program",
    "https://ontario.ca/page/ontario-trillium-benefit",
    "https://ontario.ca/page/ontario-works",
    "https://ontario.ca/document/beer-and-wine-tax",
    "https://ontario.ca/document/corporations-tax",
    "https://ontario.ca/document/ontarios-tax-system",
    "https://ontario.ca/document/employer-health-tax-eht",
    "https://ontario.ca/page/estate-administration-tax",
    "https://ontario.ca/document/fuel-tax",
    "https://ontario.ca/document/gasoline-tax",
    "https://ontario.ca/document/gross-revenue-charges-hydroelectric-generating-stations",
    "https://ontario.ca/document/harmonized-sales-tax-hst",
    "https://ontario.ca/page/corporations-tax-insurance-premium-tax",
    "https://ontario.ca/document/international-fuel-tax-agreement",
    "https://ontario.ca/page/international-registration-plan",
    "https://ontario.ca/document/land-transfer-tax",
    "https://ontario.ca/page/ontario-mining-tax",
    "https://ontario.ca/page/municipal-vacant-home-tax",
    "https://ontario.ca/document/non-resident-speculation-tax",
    "https://ontario.ca/page/health-premium",
    "https://ontario.ca/page/payments-lieu-additional-municipal-and-school-taxes",
    "https://ontario.ca/page/payments-lieu-federal-and-provincial-corporate-tax-hydro-pils",
    "https://ontario.ca/page/filing-your-tax-return",
    "https://ontario.ca/page/property-tax-0",
    "https://ontario.ca/document/provincial-land-tax",
    "https://ontario.ca/page/race-tracks-tax",
    "https://ontario.ca/document/retail-sales-tax",
    "https://ontario.ca/document/spirits-taxes",
    "https://ontario.ca/document/tobacco-tax",
    "https://ontario.ca/page/transfer-tax",
    "https://ontario.ca/page/business-income-tax",
    "https://ontario.ca/document/ont-taxs-online",
    "https://ontario.ca/page/using-tax-services",
    "https://ontario.ca/document/ontarios-tax-system/voluntary-disclosure",
    "https://ontario.ca/page/ministry-finance",
    "https://ontario.ca/page/ministry-children-community-and-social-services",
    "https://ontario.ca/fr/page/affaires-et-economie",
    "https://ontario.ca/page/business/start",
    "https://ontario.ca/business/custom-guide",
    "https://ontario.ca/page/track-permit-or-licence",
    "https://ontario.ca/document/indigenous-business-development-toolkit",
    "https://ontario.ca/document/indigenous-business-development-toolkit/planning-your-business",
    "https://ontario.ca/page/indigenous-procurement-program",
    "https://ontario.ca/document/first-nations-community-economic-development-guide",
    "https://ontario.ca/page/regional-innovation-centre-locations",
    "https://ontario.ca/page/small-business-enterprise-centre-locations",
    "https://ontario.ca/page/funding-indigenous-economic-development",
    "https://ontario.ca/page/start-summer-company-students",
    "https://ontario.ca/page/business-advisory-services-small-medium-sized-businesses",
    "https://ontario.ca/page/starter-company-plus",
    "https://ontario.ca/page/womens-economic-security-program-wesp",
    "https://ontario.ca/page/protect-ontario-financing-program",
    "https://ontario.ca/page/trade-impacted-communities-program-guidelines",
    "https://ontario.ca/page/ontario-together-trade-fund",
    "https://ontario.ca/page/rural-ontario-development-program",
    "https://ontario.ca/page/available-funding-opportunities-ontario-government",
    "https://ontario.ca/page/eastern-ontario-development-fund",
    "https://ontario.ca/page/southwestern-ontario-development-fund",
    "https://ontario.ca/document/your-guide-employment-standards-act-0",
    "https://ontario.ca/document/guide-occupational-health-and-safety-act",
    "https://ontario.ca/page/health-and-safety-small-businesses",
    "https://ontario.ca/page/file-work-notice",
    "https://ontario.ca/page/about-accessibility-laws",
    "https://ontario.ca/page/accessibility-ontario-information-businesses",
    "https://ontario.ca/page/completing-your-accessibility-compliance-report",
    "https://ontario.ca/page/consumer-protection-information-businesses",
    "https://ontario.ca/page/ontarios-agriculture-and-food-laws",
    "https://ontario.ca/page/applying-meat-plant-operator-licence",
    "https://ontario.ca/page/environmental-permissions",
    "https://ontario.ca/page/animal-welfare",
    "https://ontario.ca/laws/statute/19p13",
    "https://ontario.ca/page/commercial-vehicles",
    "https://ontario.ca/page/ontarios-building-code"
  ],
  "summary": {
    "okCount": 100,
    "errorCount": 0,
    "averagePerformanceScore": 0.057600000000000005,
    "averageBestPracticesScore": 0.0796,
    "totalTransferBytes": 10478040,
    "totalCo2Grams": 4.013942232456,
    "averageTransferBytes": 104780.4,
    "averageCo2GramsPerPage": 0.040139422324560005,
    "averageRedundancyScore": 1.94,
    "highUrgencyRedundancyCount": 1,
    "averageModularizationScore": 3.39,
    "highUrgencyModularizationCount": 2,
    "averageDeadCodeScore": 1.3,
    "highUrgencyDeadCodeCount": 8,
    "averageNonCriticalResourcesScore": 1.33,
    "highUrgencyNonCriticalResourcesCount": 8,
    "averageFormValidationScore": 2.1,
    "highUrgencyFormValidationCount": 0,
    "averageMetadataScore": 38.35,
    "highUrgencyMetadataCount": 1,
    "averageLayoutAdaptationScore": 3.73,
    "highUrgencyLayoutAdaptationCount": 3,
    "averageSecurityLightScore": 36.73,
    "highUrgencySecurityLightCount": 0,
    "averageDependencyMaintenanceScore": 0.32,
    "highUrgencyDependencyMaintenanceCount": 0,
    "averageExpectedFilesScore": 75.05,
    "highUrgencyExpectedFilesCount": 91,
    "averageCompressionScore": 0.47,
    "highUrgencyCompressionCount": 0,
    "averageOptimizationScore": 8,
    "highUrgencyOptimizationCount": 8,
    "averageOfflineSupportScore": 100,
    "highUrgencyOfflineSupportCount": 100,
    "averageLanguageVersionScore": 0,
    "highUrgencyLanguageVersionCount": 0,
    "distinctSiteCount": 1,
    "singleSiteScan": true,
    "greenWeb": {
      "pageHostsChecked": 100,
      "pageHostsGreen": 0,
      "pageHostsNotGreen": 99,
      "pageHostsUnknown": 1,
      "externalOriginsChecked": 3,
      "externalOriginsGreen": 1,
      "externalOriginsNotGreen": 2,
      "externalOriginsUnknown": 0
    }
  },
  "budgetGuidance": {
    "wsgReference": {
      "id": "3.1",
      "title": "Set goals based on performance and energy impact",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact"
    },
    "benchmarkReference": {
      "name": "Sustainable Web Design Digital Carbon Ratings",
      "url": "https://sustainablewebdesign.org/digital-carbon-ratings/"
    },
    "current": {
      "averageTransferBytes": 104780.4,
      "averageCo2GramsPerPage": 0.040139422324560005,
      "transferRating": "A+",
      "co2Rating": "A"
    },
    "recommendedBudget": {
      "targetRating": "B",
      "maxTransferBytesPerPage": 999270.4,
      "maxCo2GramsPerPage": 0.145
    },
    "reductionsNeeded": {
      "transferBytesPerPage": {
        "absolute": 0,
        "percent": 0,
        "needsReduction": false
      },
      "co2GramsPerPage": {
        "absolute": 0,
        "percent": 0,
        "needsReduction": false
      }
    },
    "stretchBudget": {
      "targetRating": "A",
      "maxTransferBytesPerPage": 543897.6,
      "maxCo2GramsPerPage": 0.079
    }
  },
  "thirdPartyJsSummary": {
    "wsgReference": {
      "title": "Give third parties the same priority as first parties during assessment",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
    },
    "averageScore": 4.21,
    "highUrgencyPages": 1,
    "assessedPages": 100,
    "providers": [
      {
        "hostname": "www.googletagmanager.com",
        "pageCount": 8,
        "transferBytes": 2393755,
        "requestCount": 16,
        "status": "green",
        "hostedBy": "Google Cloud"
      },
      {
        "hostname": "designsystem.ontario.ca",
        "pageCount": 8,
        "transferBytes": 14195,
        "requestCount": 8,
        "status": "not-green",
        "hostedBy": null
      },
      {
        "hostname": "js.arcgis.com",
        "pageCount": 1,
        "transferBytes": 614537,
        "requestCount": 26,
        "status": "not-green",
        "hostedBy": null
      }
    ]
  },
  "externalProviderRiskSummary": {
    "recurringNonGreenProviders": [
      {
        "hostname": "designsystem.ontario.ca",
        "status": "not-green",
        "hostedBy": null,
        "pageCount": 8,
        "requestCount": 8,
        "transferBytes": 14195,
        "resourceTypes": [
          "script"
        ],
        "riskScore": 85
      }
    ],
    "nonGreenProviders": [
      {
        "hostname": "designsystem.ontario.ca",
        "status": "not-green",
        "hostedBy": null,
        "pageCount": 8,
        "requestCount": 8,
        "transferBytes": 14195,
        "resourceTypes": [
          "script"
        ],
        "riskScore": 85
      },
      {
        "hostname": "js.arcgis.com",
        "status": "not-green",
        "hostedBy": null,
        "pageCount": 1,
        "requestCount": 27,
        "transferBytes": 643500,
        "resourceTypes": [
          "script",
          "stylesheet"
        ],
        "riskScore": 73
      }
    ],
    "recurringUnknownProviders": []
  },
  "formValidationSummary": {
    "wsgReference": {
      "title": "Validate form errors and account for tooling requirements",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#validate-form-errors-and-account-for-tooling-requirements"
    },
    "uniqueElementSignaturesAssessed": 1,
    "totalOccurrences": 7,
    "reusedFromCacheCount": 6,
    "recurringElements": [
      {
        "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
        "role": "form",
        "controlType": "text",
        "fieldName": null,
        "score": 30,
        "urgency": "medium",
        "pageCount": 7,
        "occurrenceCount": 7
      }
    ],
    "recurringSearchElements": []
  },
  "metadataSummary": {
    "wsgReference": {
      "title": "Structure metadata for machine readability",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#structure-metadata-for-machine-readability"
    },
    "assessedPages": 100,
    "averageScore": 38.35,
    "highUrgencyPages": 1,
    "missing": {
      "missingLang": 1,
      "missingDescription": 93,
      "missingCanonical": 92,
      "missingOpenGraphCore": 100,
      "missingTwitterCard": 92,
      "invalidStructuredData": 0
    }
  },
  "layoutSupportSummary": {
    "wsgReference": {
      "title": "Ensure layouts work for different devices and requirements",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-layouts-work-for-different-devices-and-requirements"
    },
    "assessedPages": 100,
    "averageScore": 3.73,
    "highUrgencyPages": 3,
    "mobileOverflowPages": 3,
    "tabletOverflowPages": 2,
    "totalMobileSmallTapTargets": 307,
    "totalTabletSmallTapTargets": 251,
    "totalFixedWidthOffenders": 3
  },
  "securityLightSummary": {
    "wsgReference": {
      "title": "Ensure that your code is secure",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-that-your-code-is-secure"
    },
    "assessedPages": 100,
    "averageScore": 36.73,
    "highUrgencyPages": 0,
    "pagesWithoutCsp": 93,
    "pagesWithoutHsts": 3,
    "pagesWithVulnerableLibraries": 0,
    "totalExternalScriptsWithoutIntegrity": 16
  },
  "dependencyMaintenanceSummary": {
    "wsgReference": {
      "title": "Use dependencies appropriately and ensure maintenance",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
    },
    "assessedPages": 100,
    "averageScore": 0.32,
    "highUrgencyPages": 0,
    "pagesWithVulnerableDependencies": 0,
    "totalVulnerableDependencies": 0,
    "topRecurringLibraries": []
  },
  "expectedFilesSummary": {
    "wsgReference": {
      "title": "Include expected and beneficial files",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#include-expected-and-beneficial-files"
    },
    "assessedPages": 100,
    "averageScore": 75.05,
    "highUrgencyPages": 91,
    "missing": {
      "robotsTxt": 91,
      "sitemapXml": 91,
      "securityTxt": 100,
      "webManifest": 100,
      "favicon": 91
    }
  },
  "compressionSummary": {
    "wsgReference": {
      "title": "Reduce data transfer with compression",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
    },
    "assessedPages": 100,
    "averageScore": 0.47,
    "highUrgencyPages": 0,
    "pagesMissingTextCompression": 0,
    "totalEstimatedSavingsBytes": 1053777.65,
    "recurringOpportunities": [
      {
        "id": "unminified-javascript",
        "title": "Minify JavaScript before transfer",
        "urgency": "medium",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 178306
      }
    ]
  },
  "optimizationSummary": {
    "wsgReference": {
      "title": "Use the most efficient solution for your service",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
    },
    "assessedPages": 100,
    "averageScore": 8,
    "highUrgencyPages": 8,
    "totalEstimatedSavingsBytes": 4914369.65,
    "totalEstimatedBlockingMs": 4928,
    "recurringOpportunities": [
      {
        "id": "unused-javascript",
        "title": "Remove unused JavaScript",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 2671392,
        "totalEstimatedBlockingMs": 0
      },
      {
        "id": "unused-css-rules",
        "title": "Remove unused CSS",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 1104392,
        "totalEstimatedBlockingMs": 0
      },
      {
        "id": "unminified-javascript",
        "title": "Minify JavaScript",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 178306,
        "totalEstimatedBlockingMs": 0
      },
      {
        "id": "offscreen-images",
        "title": "Lazy-load offscreen images",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 84808,
        "totalEstimatedBlockingMs": 0
      },
      {
        "id": "render-blocking-resources",
        "title": "Eliminate render-blocking resources",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 4928
      }
    ]
  },
  "offlineSupportSummary": {
    "wsgReference": {
      "title": "Optimize caching and support offline access",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
    },
    "assessedPages": 100,
    "averageScore": 100,
    "highUrgencyPages": 100,
    "pagesWithoutServiceWorker": 100,
    "pagesWithoutOfflineSupport": 100,
    "pagesWithWeakCacheTtl": 100,
    "recurringOpportunities": [
      {
        "id": "service-worker",
        "title": "Add service worker support",
        "urgency": "high",
        "pageCount": 100
      },
      {
        "id": "works-offline",
        "title": "Ensure critical routes work offline",
        "urgency": "high",
        "pageCount": 100
      },
      {
        "id": "installable-manifest",
        "title": "Improve web app manifest support",
        "urgency": "medium",
        "pageCount": 100
      },
      {
        "id": "uses-long-cache-ttl",
        "title": "Strengthen static asset cache TTL",
        "urgency": "high",
        "pageCount": 100
      },
      {
        "id": "offline-start-url",
        "title": "Support offline start URL behavior",
        "urgency": "medium",
        "pageCount": 100
      }
    ]
  },
  "languageVersionSummary": {
    "wsgReference": {
      "title": "Use the latest stable language version",
      "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
    },
    "assessedPages": 100,
    "averageScore": 0,
    "highUrgencyPages": 0,
    "pagesWithOutdatedRuntimeSignals": 0,
    "pagesWithVersionDisclosure": 0,
    "topOutdatedSignals": []
  },
  "siteGuidance": {
    "siteCount": 1,
    "singleSiteScan": true,
    "sites": [
      {
        "origin": "https://www.ontario.ca",
        "pageCount": 100,
        "sharedRecommendations": [
          {
            "area": "expected-files",
            "urgency": "low",
            "title": "Publish .well-known/security.txt",
            "detail": ".well-known/security.txt is missing for all sampled pages on https://www.ontario.ca."
          },
          {
            "area": "offline-support",
            "urgency": "high",
            "title": "Introduce service worker support",
            "detail": "No sampled pages on https://www.ontario.ca indicate service worker support for offline resilience."
          },
          {
            "area": "offline-support",
            "urgency": "high",
            "title": "Support offline fallback behavior",
            "detail": "Offline page behavior was not detected across sampled pages on https://www.ontario.ca."
          },
          {
            "area": "optimization",
            "urgency": "medium",
            "title": "Fix recurring optimization bloat at shared layer",
            "detail": "Remove unused JavaScript recurs across 8 pages on https://www.ontario.ca (est. 2.55 MB aggregate savings)."
          },
          {
            "area": "compression",
            "urgency": "medium",
            "title": "Prioritize recurring compression fixes",
            "detail": "Minify JavaScript before transfer recurs across 8 pages on https://www.ontario.ca (est. 174.13 KB aggregate savings)."
          },
          {
            "area": "offline-support",
            "urgency": "high",
            "title": "Prioritize recurring offline/caching improvements",
            "detail": "Add service worker support is needed across 100 pages on https://www.ontario.ca."
          }
        ],
        "recurringCompression": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "medium",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 178306
          }
        ],
        "recurringOptimization": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 2671392,
            "totalEstimatedBlockingMs": 0
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 1104392,
            "totalEstimatedBlockingMs": 0
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 178306,
            "totalEstimatedBlockingMs": 0
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 84808,
            "totalEstimatedBlockingMs": 0
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "pageCount": 8,
            "totalEstimatedSavingsBytes": 0,
            "totalEstimatedBlockingMs": 4928
          }
        ],
        "recurringOfflineOpportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "pageCount": 100
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "pageCount": 100
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "pageCount": 100
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "pageCount": 100
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "pageCount": 100
          }
        ],
        "recurringDependencies": [],
        "recurringRuntimeSignals": [],
        "pageSpecific": [
          {
            "url": "https://ontario.ca/page/family-and-social-services",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.63 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 601 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/business-and-economy",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 34,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Use modern image compression formats",
                "urgency": "high",
                "detail": "Prefer AVIF/WebP over legacy formats where possible to reduce transfer size. Estimated savings: 528.12 KB."
              },
              {
                "title": "Improve image encoding quality/size",
                "urgency": "high",
                "detail": "Re-encode oversized images and tune compression quality for significant byte savings. Estimated savings: 326.83 KB."
              },
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "medium",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 34.30 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 551.07 KB."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/benefits-and-taxes",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.51 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/courts-justice-and-law",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.62 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 591 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/driving-and-road-safety",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.85 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 117.44 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 598 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/education-and-apprenticeships",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.61 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/environment-and-energy",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 2,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "medium",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.64 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/",
            "securityScore": 14,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 1,
            "optimizationScore": 100,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "Minify JavaScript before transfer",
                "urgency": "low",
                "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
              },
              {
                "title": "Remove unused JavaScript",
                "urgency": "high",
                "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 290.55 KB."
              },
              {
                "title": "Remove unused CSS",
                "urgency": "high",
                "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 124.24 KB."
              },
              {
                "title": "Eliminate render-blocking resources",
                "urgency": "medium",
                "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 692 ms."
              }
            ]
          },
          {
            "url": "https://ontario.ca/feedback/contact-us?id=7476&nid=540561",
            "securityScore": 53,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/business/custom-guide",
            "securityScore": 53,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/government",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/your-health",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/heritage-arts-and-history",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/home-and-housing",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/immigrate-to-ontario",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/jobs-and-employment",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/land-use-planning",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/recreation-and-tourism",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/rural-agriculture-and-north",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/government-ontario",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/fr/page/gouvernement-de-lontario",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/fr/page/avantages-fiscaux-et-impots",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/tax-credits-and-benefits-people",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/tax-credits-and-benefits-topic",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/find-benefits-and-programs",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ministry-finance-tax-talk-information-sessions",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontario-disability-support-program",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontario-trillium-benefit",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontario-works",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/beer-and-wine-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/corporations-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/ontarios-tax-system",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/employer-health-tax-eht",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/estate-administration-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/fuel-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/gasoline-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/gross-revenue-charges-hydroelectric-generating-stations",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/harmonized-sales-tax-hst",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/corporations-tax-insurance-premium-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/international-fuel-tax-agreement",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/international-registration-plan",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/land-transfer-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontario-mining-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/municipal-vacant-home-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/non-resident-speculation-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/health-premium",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/payments-lieu-additional-municipal-and-school-taxes",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/payments-lieu-federal-and-provincial-corporate-tax-hydro-pils",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/filing-your-tax-return",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/property-tax-0",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/provincial-land-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/race-tracks-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/retail-sales-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/spirits-taxes",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/tobacco-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/transfer-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/business-income-tax",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/ont-taxs-online",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/using-tax-services",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/ontarios-tax-system/voluntary-disclosure",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ministry-finance",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ministry-children-community-and-social-services",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/fr/page/affaires-et-economie",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/business/start",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/track-permit-or-licence",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/indigenous-business-development-toolkit",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/indigenous-business-development-toolkit/planning-your-business",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/indigenous-procurement-program",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/first-nations-community-economic-development-guide",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/regional-innovation-centre-locations",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/small-business-enterprise-centre-locations",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/funding-indigenous-economic-development",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/start-summer-company-students",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/business-advisory-services-small-medium-sized-businesses",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/starter-company-plus",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/womens-economic-security-program-wesp",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/protect-ontario-financing-program",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/trade-impacted-communities-program-guidelines",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontario-together-trade-fund",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/rural-ontario-development-program",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/available-funding-opportunities-ontario-government",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/eastern-ontario-development-fund",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/southwestern-ontario-development-fund",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/your-guide-employment-standards-act-0",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/document/guide-occupational-health-and-safety-act",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/health-and-safety-small-businesses",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/file-work-notice",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/about-accessibility-laws",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/accessibility-ontario-information-businesses",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/completing-your-accessibility-compliance-report",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/consumer-protection-information-businesses",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontarios-agriculture-and-food-laws",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/applying-meat-plant-operator-licence",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/environmental-permissions",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/animal-welfare",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/laws/statute/19p13",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/commercial-vehicles",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/page/ontarios-building-code",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 80,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/fr/node/540561",
            "securityScore": 49,
            "dependencyScore": 4,
            "expectedFilesScore": 25,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          },
          {
            "url": "https://ontario.ca/user",
            "securityScore": 38,
            "dependencyScore": 0,
            "expectedFilesScore": 25,
            "compressionScore": 0,
            "optimizationScore": 0,
            "offlineScore": 100,
            "languageScore": 0,
            "urgency": "high",
            "topRecommendations": [
              {
                "title": "No major compression opportunity detected",
                "urgency": "low",
                "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
              },
              {
                "title": "No obvious optimization bloat signals",
                "urgency": "low",
                "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
              },
              {
                "title": "Add service worker support",
                "urgency": "high",
                "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
              },
              {
                "title": "Ensure critical routes work offline",
                "urgency": "high",
                "detail": "Provide an offline fallback strategy for key pages and shell assets."
              }
            ]
          }
        ]
      }
    ]
  },
  "crossPagePatterns": {
    "heavyAssetPatterns": [
      {
        "key": "script|www.ontario.ca|/libraries",
        "label": "script assets from www.ontario.ca/libraries",
        "resourceType": "script",
        "domain": "www.ontario.ca",
        "pageCount": 8,
        "totalTransferBytes": 2143353,
        "exampleUrl": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x"
      },
      {
        "key": "script|www.googletagmanager.com|/gtag",
        "label": "script assets from www.googletagmanager.com/gtag",
        "resourceType": "script",
        "domain": "www.googletagmanager.com",
        "pageCount": 8,
        "totalTransferBytes": 1356512,
        "exampleUrl": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0"
      },
      {
        "key": "stylesheet|www.ontario.ca|/themes",
        "label": "stylesheet assets from www.ontario.ca/themes",
        "resourceType": "stylesheet",
        "domain": "www.ontario.ca",
        "pageCount": 8,
        "totalTransferBytes": 1161654,
        "exampleUrl": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs"
      },
      {
        "key": "script|www.googletagmanager.com|/gtm.js",
        "label": "script assets from www.googletagmanager.com/gtm.js",
        "resourceType": "script",
        "domain": "www.googletagmanager.com",
        "pageCount": 8,
        "totalTransferBytes": 1037243,
        "exampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD"
      },
      {
        "key": "script|www.ontario.ca|/18f5227b-e27b-445a-a53f-f845fbe69b40",
        "label": "script assets from www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40",
        "resourceType": "script",
        "domain": "www.ontario.ca",
        "pageCount": 8,
        "totalTransferBytes": 1017104,
        "exampleUrl": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js"
      },
      {
        "key": "image|www.ontario.ca|/files",
        "label": "image assets from www.ontario.ca/files",
        "resourceType": "image",
        "domain": "www.ontario.ca",
        "pageCount": 2,
        "totalTransferBytes": 884953,
        "exampleUrl": "https://www.ontario.ca/files/2023-04/splash-summer-2022.jpg"
      }
    ],
    "recurringTargets": [
      {
        "title": "Split JavaScript by route or interaction",
        "urgency": "high",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 2671392,
        "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand."
      },
      {
        "title": "Modularize heavy script asset from www.ontario.ca",
        "urgency": "high",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 2143353,
        "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles."
      },
      {
        "title": "Defer non-critical UI modules until after first render",
        "urgency": "medium",
        "pageCount": 8,
        "totalEstimatedSavingsBytes": 0,
        "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later."
      },
      {
        "title": "Modularize heavy script asset from www.googletagmanager.com",
        "urgency": "medium",
        "pageCount": 7,
        "totalEstimatedSavingsBytes": 1186992,
        "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles."
      },
      {
        "title": "Modularize heavy image asset from www.ontario.ca",
        "urgency": "high",
        "pageCount": 2,
        "totalEstimatedSavingsBytes": 545603,
        "strategy": "Serve a smaller placeholder first and load this asset only when the user scrolls to or requests the component."
      }
    ],
    "recurringOrigins": [
      {
        "domain": "www.ontario.ca",
        "pageCount": 8,
        "totalTransferBytes": 5207064
      },
      {
        "domain": "www.googletagmanager.com",
        "pageCount": 8,
        "totalTransferBytes": 2393755
      }
    ],
    "designSystemGuidance": [
      "This same heavy image pattern appears on 2 pages. Fix it once in the shared template, CMS block, or design system component to reduce load across the whole site.",
      "These 2 script bundles are recurring modularization targets. Move the fix to the shared bundle or component boundary so every affected page gets lighter at once.",
      "These 3 modularization targets recur across multiple pages. Centralize the fix at the component or bundle level instead of treating each page separately.",
      "Heavy assets from www.ontario.ca recur across 8 pages. Review whether that dependency should be deferred, optimized, or loaded conditionally."
    ]
  },
  "results": [
    {
      "url": "https://ontario.ca/",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/",
      "performanceScore": 0.76,
      "bestPracticesScore": 1,
      "transferBytes": 1373751,
      "co2Grams": 0.5262584563314001,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299587,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1775,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 0,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": false
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "The official website of the Government of Ontario. Find information on programs and services.",
          "robots": "",
          "canonical": "http://www.ontario.ca/",
          "ogTitle": "ontario.ca",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 2,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 1,
          "tabletSmallTapTargets": 1,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 1,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 1,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Increase touch target sizes",
            "urgency": "medium",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 1 small targets on mobile and 1 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "609",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:25:54 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=272022527205; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:03 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265763; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:03 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 f87f13a5a848066fcc2a8a3a4565f624.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "-KfmiZqjgr7h3Sd3UMqMy4spXNDIJdKJ9wLE5HU2m1Sads1PFB4Ydg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 1,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 447803,
        "totalEstimatedBlockingMs": 692,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 297520,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 291 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 127217,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 124 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 692,
            "displayValue": "Est savings of 690 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 290.55 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "high",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 124.24 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 692 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 477838.4
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 466.64 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 466.64 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 13,
        "urgency": "high",
        "transferBytes": 1373751,
        "css": {
          "unusedBytes": 127217,
          "ratio": 0.09260557408147474,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 297520,
          "duplicatedBytes": 0,
          "ratio": 0.21657491059151185,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 127217,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 297520,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 15,
        "urgency": "high",
        "transferBytes": 1373751,
        "estimatedDeferrableBytes": 427348,
        "renderBlockingMs": 692,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 297520,
          "unusedCssSavings": 127217
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 297520,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 127217,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 692,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy image from www.ontario.ca",
            "area": "image",
            "urgency": "high",
            "estimatedSavingsBytes": 331139,
            "url": "https://www.ontario.ca/files/2023-04/splash-summer-2022.jpg",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267920,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169614,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 301362,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299587,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1775,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 20,
        "urgency": "medium",
        "transferBytes": 1373751,
        "estimatedRedundantBytes": 424737,
        "redundancyRatio": 0.3091804846729866,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 297520,
            "displayValue": "Est savings of 291 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 127217,
            "displayValue": "Est savings of 124 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 297520,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 127217,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 44,
        "urgency": "high",
        "totalTransferBytes": 1373751,
        "heavyRequestCount": 6,
        "heavyBytes": 1154856,
        "heavyRatio": 0.8406588966996202,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/files/2023-04/splash-summer-2022.jpg",
            "transferSize": 331139,
            "resourceType": "image",
            "mimeType": "image/jpeg",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267920,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169614,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129973,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129072,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694645
          },
          {
            "resourceType": "image",
            "count": 1,
            "transferBytes": 331139
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129072
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 4,
            "transferBytes": 855269
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299587
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 297520,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy image asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 331139,
            "strategy": "Serve a smaller placeholder first and load this asset only when the user scrolls to or requests the component.",
            "url": "https://www.ontario.ca/files/2023-04/splash-summer-2022.jpg",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267920,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169614,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 291 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 291 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 124 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 124 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 690 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 690 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.72,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": 0.75,
          "displayValue": "4.4 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- Current value: 4.4 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/user",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/user",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 65,
        "urgency": "high",
        "checks": {
          "hasTitle": true,
          "hasLang": false,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": false,
          "hasCharset": false,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "403 Forbidden",
          "lang": "",
          "charset": "",
          "viewport": "",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add document language metadata",
            "urgency": "high",
            "detail": "Set the html lang attribute for machine readability and localization tooling."
          },
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 980,
            "viewportHeight": 2121,
            "contentWidth": 980,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 980,
            "viewportHeight": 1411,
            "contentWidth": 980,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-encoding": "gzip",
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:36:11 GMT",
            "set-cookie": "__uzmc=587314378528; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:11 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265771; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:11 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding",
            "via": "1.1 9a5726cd8fba66b762958c80565fbcd0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "JutZAXLs441kws9849pTYGlclBS163z9tNq535ZjJm5LUfNVwNn44A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/fr/node/540561",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/404",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 25,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "We can’t find that page | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "",
          "robots": "noindex",
          "canonical": "http://www.ontario.ca/page/we-cant-find-page",
          "ogTitle": "We can’t find that page",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 90,
        "urgency": "high",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": true,
          "horizontalOverflowOnTablet": true,
          "mobileSmallTapTargets": 31,
          "tabletSmallTapTargets": 29,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 395,
            "horizontalOverflowPx": 5,
            "hasHorizontalOverflow": true,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 31,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 826,
            "horizontalOverflowPx": 6,
            "hasHorizontalOverflow": true,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 29,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Prevent horizontal overflow across breakpoints",
            "urgency": "high",
            "detail": "Use fluid widths, max-width constraints, and avoid fixed pixel containers that exceed mobile or tablet viewports."
          },
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 31 small targets on mobile and 29 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 49,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": false,
          "hasCsp": false,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "698",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:24:35 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "vary": "Accept-Encoding,Origin",
            "via": "1.1 9a5726cd8fba66b762958c80565fbcd0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "gWdzvxrkzoPMZTbu3pf9Z4E3urwG6lnEAnzmmXD9_P328l6IAYROTQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "MISS",
            "x-drupal-dynamic-cache": "HIT",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Enable Strict-Transport-Security",
            "urgency": "medium",
            "detail": "Set a Strict-Transport-Security header to enforce HTTPS on repeat visits."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/benefits-and-taxes",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/benefits-and-taxes",
      "performanceScore": 0.76,
      "bestPracticesScore": 1,
      "transferBytes": 1068897,
      "co2Grams": 0.40947455921580006,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Benefits and taxes | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Learn about taxes in Ontario and what they support, including tax credits you can get to help you with living and business costs.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/benefits-and-taxes",
          "ogTitle": "Benefits and taxes",
          "ogDescription": "Learn about taxes in Ontario and what they support, including tax credits you can get to help you with living and business costs.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 30,
        "urgency": "medium",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 45,
          "tabletSmallTapTargets": 29,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 45,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 29,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 45 small targets on mobile and 29 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "314",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:31:18 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=627006780531; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:32 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265792; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:32 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 e7ebfb9cbbe33f2c9648abfd86e6defc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "OHMkYnOLgNGg08-dunzLGwNZHaQnAGLZptsbU8-NaMB2jrBwXo78Qw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 440836,
        "totalEstimatedBlockingMs": 599,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 294 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 116239,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 114 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "displayValue": "Est savings of 600 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.51 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 175216.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.11 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.11 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1068897,
        "css": {
          "unusedBytes": 116239,
          "ratio": 0.1087466799888109,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301531,
          "duplicatedBytes": 0,
          "ratio": 0.28209546850632006,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 116239,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1068897,
        "estimatedDeferrableBytes": 420381,
        "renderBlockingMs": 599,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301531,
          "unusedCssSavings": 116239
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 116239,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267920,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129073,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 300881,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1068897,
        "estimatedRedundantBytes": 417770,
        "redundancyRatio": 0.39084214849513094,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301531,
            "displayValue": "Est savings of 294 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 116239,
            "displayValue": "Est savings of 114 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 116239,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 42,
        "urgency": "medium",
        "totalTransferBytes": 1068897,
        "heavyRequestCount": 5,
        "heavyBytes": 823238,
        "heavyRatio": 0.7701752367159792,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267920,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129073,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694165
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129073
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524131
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267920,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 294 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 294 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 114 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 114 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 600 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 600 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/business-and-economy",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/business-and-economy",
      "performanceScore": 0.4,
      "bestPracticesScore": 0.96,
      "transferBytes": 2673086,
      "co2Grams": 1.0240095272004002,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "js.arcgis.com",
            "resourceType": "script",
            "requestCount": 26,
            "transferBytes": 614537,
            "sampleUrl": "https://js.arcgis.com/4.14/dojo/dojo.js",
            "greenCheck": {
              "hostname": "js.arcgis.com",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T10:34:50.409708",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/js.arcgis.com",
              "error": null
            }
          },
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "js.arcgis.com",
            "resourceType": "stylesheet",
            "requestCount": 1,
            "transferBytes": 28963,
            "sampleUrl": "https://js.arcgis.com/4.14/esri/themes/light/main.css",
            "greenCheck": {
              "hostname": "js.arcgis.com",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T10:34:50.409708",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/js.arcgis.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1779,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 4,
          "greenCount": 1,
          "notGreenCount": 4,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Business, workplace and economy | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Learn how to register your business, apply for funding and tax credits, and get free help to start your business.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/business-and-economy",
          "ogTitle": "Business, workplace and economy",
          "ogDescription": "Learn how to register your business, apply for funding and tax credits, and get free help to start your business.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 65,
        "urgency": "high",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": true,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 91,
          "tabletSmallTapTargets": 86,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 402,
            "horizontalOverflowPx": 12,
            "hasHorizontalOverflow": true,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 91,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 86,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Prevent horizontal overflow across breakpoints",
            "urgency": "high",
            "detail": "Use fluid widths, max-width constraints, and avoid fixed pixel containers that exceed mobile or tablet viewports."
          },
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 91 small targets on mobile and 86 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "778",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:23:50 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=2356510057298; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:48 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265808; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:36:48 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "Sq36JWxsTy4gtrNoZwQ1WtXPOcQzmmKoMrLZXvACU7IUDZnXfpoMpA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 34,
        "urgency": "medium",
        "totalEstimatedSavingsBytes": 910592.65,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "modern-image-formats",
            "title": "Use modern image compression formats",
            "urgency": "high",
            "estimatedSavingsBytes": 540794.65,
            "detail": "Prefer AVIF/WebP over legacy formats where possible to reduce transfer size."
          },
          {
            "id": "uses-optimized-images",
            "title": "Improve image encoding quality/size",
            "urgency": "high",
            "estimatedSavingsBytes": 334677,
            "detail": "Re-encode oversized images and tune compression quality for significant byte savings."
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "medium",
            "estimatedSavingsBytes": 35121,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Use modern image compression formats",
            "urgency": "high",
            "detail": "Prefer AVIF/WebP over legacy formats where possible to reduce transfer size. Estimated savings: 528.12 KB."
          },
          {
            "title": "Improve image encoding quality/size",
            "urgency": "high",
            "detail": "Re-encode oversized images and tune compression quality for significant byte savings. Estimated savings: 326.83 KB."
          },
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "medium",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 34.30 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 1816677.65,
        "totalEstimatedBlockingMs": 649,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 564291,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 551 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "modern-image-formats",
            "title": "Serve images in next-gen formats",
            "detail": "Convert high-byte images to more efficient formats such as AVIF or WebP.",
            "estimatedSavingsBytes": 540794.65,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 528 KiB",
            "urgency": "high",
            "sourceAuditId": "modern-image-formats"
          },
          {
            "id": "uses-optimized-images",
            "title": "Compress oversized image assets",
            "detail": "Re-encode large images to reduce transfer weight without visible quality loss.",
            "estimatedSavingsBytes": 334677,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 327 KiB",
            "urgency": "high",
            "sourceAuditId": "uses-optimized-images"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 275263,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 269 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 66531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 65 KiB",
            "urgency": "medium",
            "sourceAuditId": "offscreen-images"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 35121,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 34 KiB",
            "urgency": "medium",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 649,
            "displayValue": "Est savings of 650 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 551.07 KB."
          },
          {
            "title": "Serve images in next-gen formats",
            "urgency": "high",
            "detail": "Convert high-byte images to more efficient formats such as AVIF or WebP. Estimated byte savings: 528.12 KB."
          },
          {
            "title": "Compress oversized image assets",
            "urgency": "high",
            "detail": "Re-encode large images to reduce transfer weight without visible quality loss. Estimated byte savings: 326.83 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "high",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 268.81 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "medium",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 64.97 KB."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "medium",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 34.30 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 1103520.2000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 1.05 MB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 1.05 MB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 16,
        "urgency": "high",
        "transferBytes": 2673086,
        "css": {
          "unusedBytes": 275263,
          "ratio": 0.1029757366579302,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 564291,
          "duplicatedBytes": 0,
          "ratio": 0.21110095223273775,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0.125,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 275263,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 564291,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 16,
        "urgency": "high",
        "transferBytes": 2673086,
        "estimatedDeferrableBytes": 906085,
        "renderBlockingMs": 649,
        "breakdown": {
          "offscreenImageSavings": 66531,
          "unusedJavascriptSavings": 564291,
          "unusedCssSavings": 275263
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 66531,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 564291,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 275263,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 649,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267918,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from js.arcgis.com",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 233850,
            "url": "https://js.arcgis.com/4.14/dojo/dojo.js",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy image from www.ontario.ca",
            "area": "image",
            "urgency": "high",
            "estimatedSavingsBytes": 214464,
            "url": "https://www.ontario.ca/files/2022-04/medjct-business-and-economy-start-a-business-en-544x272-2022-04-08.jpg",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 85,
        "urgency": "high",
        "providerCount": 3,
        "requestCount": 29,
        "transferBytes": 915423,
        "notGreenCount": 2,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "js.arcgis.com",
            "resourceType": "script",
            "requestCount": 26,
            "transferBytes": 614537,
            "sampleUrl": "https://js.arcgis.com/4.14/dojo/dojo.js",
            "greenCheck": {
              "hostname": "js.arcgis.com",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T10:34:50.409708",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/js.arcgis.com",
              "error": null
            }
          },
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1779,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "high",
            "detail": "Track 3 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "high",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "2 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 30,
        "urgency": "high",
        "transferBytes": 2673086,
        "estimatedRedundantBytes": 839554,
        "redundancyRatio": 0.3140766888906679,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 564291,
            "displayValue": "Est savings of 551 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 275263,
            "displayValue": "Est savings of 269 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 564291,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "high",
            "estimatedSavingsBytes": 275263,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce DOM complexity and redundant markup",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "auditId": "dom-size",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 44,
        "urgency": "high",
        "totalTransferBytes": 2673086,
        "heavyRequestCount": 12,
        "heavyBytes": 1929500,
        "heavyRatio": 0.7218248870406714,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267918,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://js.arcgis.com/4.14/dojo/dojo.js",
            "transferSize": 233850,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "js.arcgis.com"
          },
          {
            "url": "https://www.ontario.ca/files/2022-04/medjct-business-and-economy-start-a-business-en-544x272-2022-04-08.jpg",
            "transferSize": 214464,
            "resourceType": "image",
            "mimeType": "image/jpeg",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/files/2022-04/medjct-business-and-economy-get-custom-guide-544x272-2022-04-08.jpg",
            "transferSize": 179428,
            "resourceType": "image",
            "mimeType": "image/jpeg",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/files/2024-04/medjct-business-and-economy-start-a-business-en-544x272-2024-04-02_0.png",
            "transferSize": 159922,
            "resourceType": "image",
            "mimeType": "image/png",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css",
            "transferSize": 129075,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129072,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://js.arcgis.com/4.14/esri/views/2d/engine.js",
            "transferSize": 112116,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "js.arcgis.com"
          },
          {
            "url": "https://js.arcgis.com/4.14/esri/widgets/Search.js",
            "transferSize": 77410,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "js.arcgis.com"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 7,
            "transferBytes": 1117539
          },
          {
            "resourceType": "image",
            "count": 3,
            "transferBytes": 553814
          },
          {
            "resourceType": "stylesheet",
            "count": 2,
            "transferBytes": 258147
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 7,
            "transferBytes": 1207017
          },
          {
            "domain": "js.arcgis.com",
            "count": 3,
            "transferBytes": 423376
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Lazy-load offscreen images and media galleries",
            "urgency": "medium",
            "estimatedSavingsBytes": 66531,
            "strategy": "Load imagery only when it enters the viewport or when a user opens the relevant section.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 564291,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267918,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from js.arcgis.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 233850,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://js.arcgis.com/4.14/dojo/dojo.js",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy image asset from www.ontario.ca",
            "urgency": "medium",
            "estimatedSavingsBytes": 214464,
            "strategy": "Serve a smaller placeholder first and load this asset only when the user scrolls to or requests the component.",
            "url": "https://www.ontario.ca/files/2022-04/medjct-business-and-economy-start-a-business-en-544x272-2022-04-08.jpg",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.08,
          "displayValue": "6.6 s",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 6.6 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 551 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 551 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 269 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 269 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": 0,
          "displayValue": "Est savings of 528 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- Current value: Est savings of 528 KiB\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": 0,
          "displayValue": "Est savings of 327 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- Current value: Est savings of 327 KiB\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 650 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 650 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": 0.77,
          "displayValue": "4.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- Current value: 4.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 65 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 65 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoid an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": 0.5,
          "displayValue": "830 elements",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoid an excessive DOM size\n\n- Lighthouse audit: dom-size\n- Current value: 830 elements\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/courts-justice-and-law",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/courts-justice-and-law",
      "performanceScore": 0.77,
      "bestPracticesScore": 1,
      "transferBytes": 1067452,
      "co2Grams": 0.4089210065928,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Courts, justice and law | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Ontario’s laws and related information about our legal system, emergency services, the Ontario Provincial Police and victim services.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/courts-justice-and-law",
          "ogTitle": "Courts, justice and law",
          "ogDescription": "Ontario’s laws and related information about our legal system, emergency services, the Ontario Provincial Police and victim services.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 30,
        "urgency": "medium",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 32,
          "tabletSmallTapTargets": 23,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 32,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 23,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 32 small targets on mobile and 23 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "343",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:31:18 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=2075712142232; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:01 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265821; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:01 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 7f7ba1ba4e83d353909c5d9c69a68218.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "VoEzcdaokSBH3sofmJFbMjBmYC8hDVJ-DDeeWZuPcPs_wke534vvrw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 440947,
        "totalEstimatedBlockingMs": 591,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 294 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 116350,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 114 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 591,
            "displayValue": "Est savings of 590 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.62 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 591 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 175214.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.11 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.11 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067452,
        "css": {
          "unusedBytes": 116350,
          "ratio": 0.10899787531429984,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301531,
          "duplicatedBytes": 0,
          "ratio": 0.2824773385594856,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 116350,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067452,
        "estimatedDeferrableBytes": 420492,
        "renderBlockingMs": 591,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301531,
          "unusedCssSavings": 116350
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 116350,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 591,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129072,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 300881,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1067452,
        "estimatedRedundantBytes": 417881,
        "redundancyRatio": 0.3914752138737854,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301531,
            "displayValue": "Est savings of 294 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 116350,
            "displayValue": "Est savings of 114 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 116350,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 42,
        "urgency": "medium",
        "totalTransferBytes": 1067452,
        "heavyRequestCount": 5,
        "heavyBytes": 823236,
        "heavyRatio": 0.7712159422625092,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267919,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129072,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694164
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129072
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524129
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 294 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 294 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 114 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 114 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 590 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 590 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/driving-and-road-safety",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/driving-and-road-safety",
      "performanceScore": 0.76,
      "bestPracticesScore": 1,
      "transferBytes": 1092183,
      "co2Grams": 0.41839499269620006,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299526,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Driving and road safety | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Information about road conditions, driver’s licences, vehicle registration, emissions testing, and commercial vehicles.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/driving-and-road-safety",
          "ogTitle": "Driving and road safety",
          "ogDescription": "Information about road conditions, driver’s licences, vehicle registration, emissions testing, and commercial vehicles.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 30,
        "urgency": "medium",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 49,
          "tabletSmallTapTargets": 39,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 49,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 39,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 49 small targets on mobile and 39 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "356",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:31:18 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=6899013940189; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:14 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265834; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:14 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "AsogaCLdQv1dvs47NQBkP0QZkc6FFwxKXOmmB2lOIDoRDQ21NII5Mg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 445250,
        "totalEstimatedBlockingMs": 598,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301926,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 295 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 120258,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 117 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 598,
            "displayValue": "Est savings of 600 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.85 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 117.44 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 598 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 198460.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 193.81 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 193.81 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 16,
        "urgency": "high",
        "transferBytes": 1092183,
        "css": {
          "unusedBytes": 120258,
          "ratio": 0.11010792147469792,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301926,
          "duplicatedBytes": 0,
          "ratio": 0.27644268405569394,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 120258,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301926,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1092183,
        "estimatedDeferrableBytes": 424795,
        "renderBlockingMs": 598,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301926,
          "unusedCssSavings": 120258
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301926,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 120258,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 598,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169778,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63j1h2",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129071,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 301299,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299526,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1092183,
        "estimatedRedundantBytes": 422184,
        "redundancyRatio": 0.3865506055303919,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301926,
            "displayValue": "Est savings of 295 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 120258,
            "displayValue": "Est savings of 117 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301926,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 120258,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 41,
        "urgency": "medium",
        "totalTransferBytes": 1092183,
        "heavyRequestCount": 5,
        "heavyBytes": 823654,
        "heavyRatio": 0.754135524907456,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267919,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63j1h2",
            "transferSize": 169778,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129748,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129071,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694583
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129071
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524128
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299526
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301926,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169778,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63j1h2",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 295 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 295 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 117 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 117 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 600 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 600 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/education-and-apprenticeships",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/education-and-apprenticeships",
      "performanceScore": 0.76,
      "bestPracticesScore": 1,
      "transferBytes": 1067470,
      "co2Grams": 0.4089279020580001,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Education and apprenticeships | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Learn about Ontario’s early years, education and training systems. Includes information on child care, elementary schools, secondary schools, colleges, universities, skills training and financial aid.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/education-and-apprenticeships",
          "ogTitle": "Education and apprenticeships",
          "ogDescription": "Learn about Ontario’s early years, education and training systems. Includes information on child care, elementary schools, secondary schools, colleges, universities, skills training and financial aid.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 30,
        "urgency": "medium",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 28,
          "tabletSmallTapTargets": 24,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 28,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 24,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 28 small targets on mobile and 24 on tablet."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "198",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:34:08 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=4595815767827; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:26 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265846; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:26 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 bdfe8096748affcfe410aa1a8d05a660.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "hmDdi08VMXE4BAsvlZjVXj3GGzLOXiP736Yaj9tnxS0VyMzPFxbkGQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 440929,
        "totalEstimatedBlockingMs": 599,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 294 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 116332,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 114 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "displayValue": "Est savings of 600 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.61 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 175208.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067470,
        "css": {
          "unusedBytes": 116332,
          "ratio": 0.10897917505878385,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301531,
          "duplicatedBytes": 0,
          "ratio": 0.2824725753416958,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 116332,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067470,
        "estimatedDeferrableBytes": 420474,
        "renderBlockingMs": 599,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301531,
          "unusedCssSavings": 116332
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 116332,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129074,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 300880,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1067470,
        "estimatedRedundantBytes": 417863,
        "redundancyRatio": 0.39145175040047964,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301531,
            "displayValue": "Est savings of 294 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 116332,
            "displayValue": "Est savings of 114 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 116332,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 42,
        "urgency": "medium",
        "totalTransferBytes": 1067470,
        "heavyRequestCount": 5,
        "heavyBytes": 823238,
        "heavyRatio": 0.7712048113764322,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267919,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129074,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694164
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129074
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524131
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 294 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 294 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 114 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 114 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 600 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 600 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/environment-and-energy",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/environment-and-energy",
      "performanceScore": 0.77,
      "bestPracticesScore": 1,
      "transferBytes": 1067501,
      "co2Grams": 0.40893977758140004,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 30,
        "urgency": "medium",
        "pageElementOccurrences": 1,
        "uniqueElementsAssessed": 1,
        "reusedFromCacheCount": 1,
        "components": [
          {
            "signature": "combobox|get|self|input|text|anonymous|off|required|no-pattern|no-minlength",
            "role": "form",
            "controlType": "text",
            "fieldName": null,
            "formContext": "combobox|get|self",
            "hasLabel": true,
            "hasValidationRule": true,
            "hasErrorMessagingHook": false,
            "toolingFriendly": false,
            "assessment": {
              "score": 30,
              "urgency": "medium",
              "issues": [
                "No error messaging hook",
                "Missing autocomplete for tooling support"
              ],
              "recommendations": [
                "Add aria-errormessage/aria-describedby and a visible error region for invalid input.",
                "Provide meaningful autocomplete values to support browsers and assistive tooling."
              ]
            },
            "reusedFromCache": true
          }
        ],
        "recommendations": [
          {
            "title": "No error messaging hook",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          },
          {
            "title": "Missing autocomplete for tooling support",
            "urgency": "medium",
            "detail": "1 unique form control signature(s) on this page include this issue."
          }
        ]
      },
      "metadata": {
        "score": 15,
        "urgency": "low",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": true,
          "hasCanonical": true,
          "hasOpenGraphCore": false,
          "hasTwitterCard": true,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Environment and energy | ontario.ca",
          "lang": "en",
          "charset": "utf-8",
          "viewport": "width=device-width, initial-scale=1.0",
          "description": "Learn more about how Ontario protects and restores wildlife and the environment. Includes information on conservation and the electricity system.",
          "robots": "",
          "canonical": "http://www.ontario.ca/page/environment-and-energy",
          "ogTitle": "Environment and energy",
          "ogDescription": "Learn more about how Ontario protects and restores wildlife and the environment. Includes information on conservation and the electricity system.",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "summary_large_image",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 96,
        "urgency": "high",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": true,
          "horizontalOverflowOnTablet": true,
          "mobileSmallTapTargets": 30,
          "tabletSmallTapTargets": 20,
          "fixedWidthOffenders": 3,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 406,
            "horizontalOverflowPx": 16,
            "hasHorizontalOverflow": true,
            "fixedWidthOffenders": 2,
            "smallTapTargets": 30,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 836,
            "horizontalOverflowPx": 16,
            "hasHorizontalOverflow": true,
            "fixedWidthOffenders": 1,
            "smallTapTargets": 20,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Prevent horizontal overflow across breakpoints",
            "urgency": "high",
            "detail": "Use fluid widths, max-width constraints, and avoid fixed pixel containers that exceed mobile or tablet viewports."
          },
          {
            "title": "Increase touch target sizes",
            "urgency": "high",
            "detail": "Ensure interactive controls are at least 44x44 CSS px. Detected 30 small targets on mobile and 20 on tablet."
          },
          {
            "title": "Refactor fixed-width components",
            "urgency": "medium",
            "detail": "3 element(s) exceeded viewport width in tested layouts; use responsive component constraints."
          }
        ]
      },
      "securityLight": {
        "score": 14,
        "urgency": "low",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": true,
          "hasXContentTypeOptions": true,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 2,
          "externalScriptsWithoutIntegrity": 2,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "age": "400",
            "cache-control": "max-age=900, public",
            "content-encoding": "gzip",
            "content-language": "en",
            "content-security-policy": "frame-ancestors 'self' *.gov.on.ca *.ontario.ca *.ontariogovernment.ca;",
            "content-type": "text/html; charset=UTF-8",
            "date": "Mon, 23 Mar 2026 11:31:03 GMT",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "set-cookie": "__uzmc=8569217536647; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:43 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265863; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:43 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "vary": "Accept-Encoding,Cookie,Origin",
            "via": "1.1 bdfe8096748affcfe410aa1a8d05a660.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "VaZgKAdIEd1vhaywJHGD6mblzUnJOI-ilU5ltdMRqmdWCjsde9mSXQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-backend": "v2",
            "x-cache": "Hit from cloudfront",
            "x-consumer-id": "default_consumer",
            "x-content-type-options": "nosniff",
            "x-drupal-cache": "HIT",
            "x-drupal-dynamic-cache": "MISS",
            "x-frame-options": "SAMEORIGIN",
            "x-generator": "Drupal 10 (https://www.drupal.org)",
            "x-xss-protection": "1; mode=block"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          },
          {
            "title": "Add SRI to external scripts",
            "urgency": "medium",
            "detail": "2 external script tag(s) are missing integrity attributes."
          }
        ]
      },
      "expectedFiles": {
        "score": 25,
        "urgency": "low",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": true,
            "status": 200,
            "contentType": "text/plain; charset=utf-8"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": true,
            "status": 200,
            "contentType": "application/xml; charset=utf-8"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 403,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 404,
            "contentType": "text/html; charset=UTF-8"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": true,
            "status": 200,
            "contentType": "image/gif"
          }
        ],
        "recommendations": [
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "low",
            "detail": "Missing beneficial file(s): /.well-known/security.txt, /manifest.webmanifest."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 440968,
        "totalEstimatedBlockingMs": 599,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 294 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 116371,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 114 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "displayValue": "Est savings of 600 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.64 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 599 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 4,
        "urgency": "medium",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 2,
        "recommendations": [
          {
            "title": "Add integrity attributes for external dependencies",
            "urgency": "medium",
            "detail": "2 external script dependency URL(s) are missing SRI integrity attributes."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 175209.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067501,
        "css": {
          "unusedBytes": 116371,
          "ratio": 0.10901254425054403,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301531,
          "duplicatedBytes": 0,
          "ratio": 0.28246437239871436,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 116371,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067501,
        "estimatedDeferrableBytes": 420513,
        "renderBlockingMs": 599,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301531,
          "unusedCssSavings": 116371
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 116371,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 599,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129073,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 300880,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1773,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1067501,
        "estimatedRedundantBytes": 417902,
        "redundancyRatio": 0.39147691664925843,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301531,
            "displayValue": "Est savings of 294 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 116371,
            "displayValue": "Est savings of 114 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 116371,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 42,
        "urgency": "medium",
        "totalTransferBytes": 1067501,
        "heavyRequestCount": 5,
        "heavyBytes": 823237,
        "heavyRatio": 0.7711814789869049,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267919,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129073,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694164
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129073
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524130
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 294 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 294 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 114 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 114 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 600 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 600 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/family-and-social-services",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/family-and-social-services",
      "performanceScore": 0.78,
      "bestPracticesScore": 1,
      "transferBytes": 1067700,
      "co2Grams": 0.40901601078000005,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 2,
          "greenCount": 1,
          "notGreenCount": 2,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:37:58 GMT",
            "set-cookie": "__uzmc=6689719343945; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:58 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265878; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:37:58 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 871c32501d3d8475b80027845e14806a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "WFAwp2RQMK3VSfcP0cEtB5XJZRC08CMt2LlHn4ZRID-4_bR7dzv3mw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 2,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 20455,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "estimatedSavingsBytes": 20455,
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes."
          }
        ],
        "recommendations": [
          {
            "title": "Minify JavaScript before transfer",
            "urgency": "low",
            "detail": "Minify JS bundles so transport compression produces better results with fewer bytes. Estimated savings: 19.98 KB."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 100,
        "urgency": "high",
        "totalEstimatedSavingsBytes": 440959,
        "totalEstimatedBlockingMs": 601,
        "opportunities": [
          {
            "id": "unused-javascript",
            "title": "Remove unused JavaScript",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code.",
            "estimatedSavingsBytes": 301531,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 294 KiB",
            "urgency": "high",
            "sourceAuditId": "unused-javascript"
          },
          {
            "id": "unused-css-rules",
            "title": "Remove unused CSS",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped.",
            "estimatedSavingsBytes": 116362,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 114 KiB",
            "urgency": "medium",
            "sourceAuditId": "unused-css-rules"
          },
          {
            "id": "render-blocking-resources",
            "title": "Eliminate render-blocking resources",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering.",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 601,
            "displayValue": "Est savings of 600 ms",
            "urgency": "medium",
            "sourceAuditId": "render-blocking-resources"
          },
          {
            "id": "unminified-javascript",
            "title": "Minify JavaScript",
            "detail": "Use minified production JS output to reduce payload size.",
            "estimatedSavingsBytes": 20455,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 20 KiB",
            "urgency": "low",
            "sourceAuditId": "unminified-javascript"
          },
          {
            "id": "offscreen-images",
            "title": "Lazy-load offscreen images",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed.",
            "estimatedSavingsBytes": 2611,
            "estimatedBlockingMs": 0,
            "displayValue": "Est savings of 3 KiB",
            "urgency": "low",
            "sourceAuditId": "offscreen-images"
          }
        ],
        "recommendations": [
          {
            "title": "Remove unused JavaScript",
            "urgency": "high",
            "detail": "Reduce dead JS and split bundles to avoid shipping non-critical code. Estimated byte savings: 294.46 KB."
          },
          {
            "title": "Remove unused CSS",
            "urgency": "medium",
            "detail": "Trim unused selectors and split CSS so only needed styles are shipped. Estimated byte savings: 113.63 KB."
          },
          {
            "title": "Eliminate render-blocking resources",
            "urgency": "medium",
            "detail": "Inline critical assets and defer non-critical scripts/styles for faster rendering. Estimated render unblocking: 601 ms."
          },
          {
            "title": "Minify JavaScript",
            "urgency": "low",
            "detail": "Use minified production JS output to reduce payload size. Estimated byte savings: 19.98 KB."
          },
          {
            "title": "Lazy-load offscreen images",
            "urgency": "low",
            "detail": "Defer below-the-fold imagery until it is likely to be viewed. Estimated byte savings: 2.55 KB."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0.5,
          "cacheSavingsBytes": 175210.40000000002
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "medium",
            "detail": "Improve long-lived cache headers for immutable static assets (estimated savings opportunity: 171.10 KB)."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067700,
        "css": {
          "unusedBytes": 116362,
          "ratio": 0.10898379694670787,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 301531,
          "duplicatedBytes": 0,
          "ratio": 0.2824117261403016,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [
          {
            "area": "css",
            "title": "Remove unused CSS selectors and component styles",
            "urgency": "high",
            "estimatedSavingsBytes": 116362,
            "strategy": "Trim styles that never match rendered markup and split component CSS so only used styles are shipped.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          },
          {
            "area": "javascript",
            "title": "Remove unused JavaScript and feature bundles",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Drop unused packages and feature code, or move them behind route-level or interaction-triggered imports.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "4",
              "title": "Remove unnecessary code",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
              "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 17,
        "urgency": "high",
        "transferBytes": 1067700,
        "estimatedDeferrableBytes": 420504,
        "renderBlockingMs": 601,
        "breakdown": {
          "offscreenImageSavings": 2611,
          "unusedJavascriptSavings": 301531,
          "unusedCssSavings": 116362
        },
        "candidates": [
          {
            "title": "Lazy-load offscreen images",
            "area": "image",
            "urgency": "medium",
            "estimatedSavingsBytes": 2611,
            "strategy": "Load below-the-fold images only when they approach the viewport.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Defer non-critical JavaScript",
            "area": "javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Split bundles and load feature code on interaction or route transition.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Inline critical CSS and defer remainder",
            "area": "stylesheet",
            "urgency": "high",
            "estimatedSavingsBytes": 116362,
            "strategy": "Ship only above-the-fold CSS in initial render path and defer non-critical styles.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Eliminate render-blocking resources",
            "area": "render-path",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "estimatedBlockingMs": 601,
            "strategy": "Defer scripts/styles not required for first paint and preload only truly critical assets.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.ontario.ca",
            "area": "script",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy script from www.googletagmanager.com",
            "area": "script",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          },
          {
            "title": "Evaluate deferred loading for heavy stylesheet from www.ontario.ca",
            "area": "stylesheet",
            "urgency": "medium",
            "estimatedSavingsBytes": 129072,
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "strategy": "Confirm this asset is required for first paint; defer or lazy-load if not critical.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "8",
              "title": "Defer the loading of non-critical resources",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
              "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 48,
        "urgency": "medium",
        "providerCount": 2,
        "requestCount": 3,
        "transferBytes": 300881,
        "notGreenCount": 1,
        "unknownCount": 0,
        "scripts": [
          {
            "hostname": "www.googletagmanager.com",
            "resourceType": "script",
            "requestCount": 2,
            "transferBytes": 299107,
            "sampleUrl": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "greenCheck": {
              "hostname": "www.googletagmanager.com",
              "checked": true,
              "status": "green",
              "green": true,
              "hostedBy": "Google Cloud",
              "hostedByWebsite": "https://cloud.google.com",
              "listedProvider": true,
              "partner": null,
              "modified": "2026-03-06T00:36:18",
              "supportingDocuments": [
                {
                  "id": 108,
                  "title": "Sustainability at Google",
                  "link": "https://sustainability.google"
                },
                {
                  "id": 1364,
                  "title": "Google 2024 Environmental Report",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-environmental-report.pdf"
                },
                {
                  "id": 1365,
                  "title": "Alphabet 2024 CDP Climate Change Response",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-2024-cdp-climate-change-response.pdf"
                },
                {
                  "id": 1366,
                  "title": "Google 2024 Supplier Responsibility Report.",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/google-2024-supplier-responsibility-report.pdf"
                },
                {
                  "id": 1367,
                  "title": "Alphabet FY2023 Environmental Indicators Assurance Letter",
                  "link": "https://www.gstatic.com/gumdrop/sustainability/alphabet-fy2023-environmental-indicators-assurance-letter.pdf"
                },
                {
                  "id": 1368,
                  "title": "3Degrees Cloud Services Review Statement",
                  "link": "https://services.google.com/fh/files/misc/3degrees_cloud_services_review_statement_final.pdf"
                }
              ],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.googletagmanager.com",
              "error": null
            }
          },
          {
            "hostname": "designsystem.ontario.ca",
            "resourceType": "script",
            "requestCount": 1,
            "transferBytes": 1774,
            "sampleUrl": "https://designsystem.ontario.ca/scripts/svgxuse.js",
            "greenCheck": {
              "hostname": "designsystem.ontario.ca",
              "checked": true,
              "status": "not-green",
              "green": false,
              "hostedBy": null,
              "hostedByWebsite": null,
              "listedProvider": null,
              "partner": null,
              "modified": "2026-03-23T11:36:00.840669",
              "supportingDocuments": [],
              "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/designsystem.ontario.ca",
              "error": null
            }
          }
        ],
        "recommendations": [
          {
            "title": "Maintain a third-party JavaScript inventory",
            "urgency": "medium",
            "detail": "Track 2 third-party script origin(s) and assign an owner plus business justification for each."
          },
          {
            "title": "Reduce third-party script payload and requests",
            "urgency": "medium",
            "detail": "Defer non-critical tags, remove unused vendors, and gate scripts behind consent or user interaction."
          },
          {
            "title": "Prioritize greener alternatives for third-party providers",
            "urgency": "high",
            "detail": "1 third-party script origin(s) are not confirmed green in the Green Web Foundation dataset."
          }
        ]
      },
      "redundancy": {
        "score": 24,
        "urgency": "medium",
        "transferBytes": 1067700,
        "estimatedRedundantBytes": 417893,
        "redundancyRatio": 0.3913955230870095,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [
          {
            "auditId": "unused-javascript",
            "title": "Reduce unused JavaScript",
            "savingsBytes": 301531,
            "displayValue": "Est savings of 294 KiB"
          },
          {
            "auditId": "unused-css-rules",
            "title": "Reduce unused CSS",
            "savingsBytes": 116362,
            "displayValue": "Est savings of 114 KiB"
          }
        ],
        "recommendations": [
          {
            "title": "Reduce unused javascript",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "auditId": "unused-javascript",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          },
          {
            "title": "Reduce unused css",
            "urgency": "medium",
            "estimatedSavingsBytes": 116362,
            "auditId": "unused-css-rules",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "2",
              "title": "Remove unnecessary or redundant information",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
              "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 42,
        "urgency": "medium",
        "totalTransferBytes": 1067700,
        "heavyRequestCount": 5,
        "heavyBytes": 823236,
        "heavyRatio": 0.7710368080921607,
        "heavyRequests": [
          {
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "transferSize": 267919,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "transferSize": 169520,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.googletagmanager.com/gtm.js?id=GTM-KZMGBJD",
            "transferSize": 129587,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.googletagmanager.com"
          },
          {
            "url": "https://www.ontario.ca/themes/ontario_2021/css/ontario2021-theme.css?tc5xfs",
            "transferSize": 129072,
            "resourceType": "stylesheet",
            "mimeType": "text/css",
            "domain": "www.ontario.ca"
          },
          {
            "url": "https://www.ontario.ca/18f5227b-e27b-445a-a53f-f845fbe69b40/stormcaster.js",
            "transferSize": 127138,
            "resourceType": "script",
            "mimeType": "application/javascript",
            "domain": "www.ontario.ca"
          }
        ],
        "groupedByType": [
          {
            "resourceType": "script",
            "count": 4,
            "transferBytes": 694164
          },
          {
            "resourceType": "stylesheet",
            "count": 1,
            "transferBytes": 129072
          }
        ],
        "groupedByOrigin": [
          {
            "domain": "www.ontario.ca",
            "count": 3,
            "transferBytes": 524129
          },
          {
            "domain": "www.googletagmanager.com",
            "count": 2,
            "transferBytes": 299107
          }
        ],
        "onDemandCandidates": [
          {
            "title": "Split JavaScript by route or interaction",
            "urgency": "high",
            "estimatedSavingsBytes": 301531,
            "strategy": "Move non-critical bundles behind route-level or event-driven imports so they are only fetched on demand.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Defer non-critical UI modules until after first render",
            "urgency": "medium",
            "estimatedSavingsBytes": 0,
            "strategy": "Keep only above-the-fold resources in the initial path; hydrate or import secondary modules later.",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.ontario.ca",
            "urgency": "high",
            "estimatedSavingsBytes": 267919,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.ontario.ca/libraries/ontario-search-autosuggest/dist/index.js?v=1.x",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          },
          {
            "title": "Modularize heavy script asset from www.googletagmanager.com",
            "urgency": "medium",
            "estimatedSavingsBytes": 169520,
            "strategy": "Load this script only on pages or interactions that require it; prefer dynamic import and feature-level bundles.",
            "url": "https://www.googletagmanager.com/gtag/js?id=G-HLLEK4SB6V&cx=c&gtm=4e63i0",
            "wsg": {
              "categoryId": "3",
              "categoryName": "Web Development",
              "id": "3",
              "title": "Modularize bandwidth-heavy components",
              "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
              "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
            }
          }
        ],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": 0,
          "displayValue": "Est savings of 294 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- Current value: Est savings of 294 KiB\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": 0,
          "displayValue": "Est savings of 114 KiB",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- Current value: Est savings of 114 KiB\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": 0,
          "displayValue": "Est savings of 600 ms",
          "impact": "high",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- Current value: Est savings of 600 ms\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": 0.73,
          "displayValue": "3.2 s",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- Current value: 3.2 s\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": 0.5,
          "displayValue": "Est savings of 3 KiB",
          "impact": "medium",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- Current value: Est savings of 3 KiB\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/government",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/government",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:38:10 GMT",
            "set-cookie": "__uzmc=4885721127611; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:10 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265890; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:10 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 af88a9fe36a270a032e7b509430eba58.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "XxPc6oQYlP-dIbdAjmNOk0SCv8YJ_e3XmurFav_HwEJiniNqmEDM3g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/your-health",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/your-health",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:38:21 GMT",
            "set-cookie": "__uzmc=6757022994907; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:21 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265901; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:21 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 f87f13a5a848066fcc2a8a3a4565f624.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "BXtQ1-YFXymiHPe9JWM3rPOMH9mwJiCCxITj8D1F4UpeGZHgxhZtjA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/heritage-arts-and-history",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/heritage-arts-and-history",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:38:31 GMT",
            "set-cookie": "__uzmc=5692824787365; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:31 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265911; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:31 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 af88a9fe36a270a032e7b509430eba58.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "l4EBTjH4rDFKPnbmgpVwJ8jcCW4vYNQ4uwExh5Nftl0kR0Do_pg-1A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/home-and-housing",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/home-and-housing",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:38:44 GMT",
            "set-cookie": "__uzmc=9650226581568; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:44 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265924; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:38:44 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9ccabc33db458fd61b527e6fd1170a2a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "d-sgd_Q-uKwOvarisXTdB9Bkzz7sfp1N5l8h0VvzZyg7kgKwjJZqvQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/immigrate-to-ontario",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/immigrate-to-ontario",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": false,
          "status": "unknown",
          "green": null,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": null,
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": "The operation was aborted due to timeout"
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "unknown",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 0,
          "unknownCount": 1
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:01 GMT",
            "set-cookie": "__uzmc=2779128318523; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:01 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265941; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:01 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1ce3c99f7478fda265d2a9b9e6bcbcca.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "O19VWRQohyY2ZQKnbuDIejXZXQUPU464LfgDiQxjkmnwFnEkQiXCcQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/jobs-and-employment",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/jobs-and-employment",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:10 GMT",
            "set-cookie": "__uzmc=7682930122099; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:10 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265950; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:10 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 04c7123123e5b9ec1da72d64551131e0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "bHW49iyfE07Pe3woiu20QgZGLst6wChmlVzMzYLPnjcQ7CWXVD3ufw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/land-use-planning",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/land-use-planning",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:20 GMT",
            "set-cookie": "__uzmc=7616631985449; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:20 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265960; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:20 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 a2868193819f21dbaaa29df9b2db97a8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "2Xtjeqi-V8zaFpDtc5yomd5cNeXCuUy1HspMwE3HOoCamUPhmE53ow==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/recreation-and-tourism",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/recreation-and-tourism",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:27 GMT",
            "set-cookie": "__uzmc=5381633774231; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:27 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265967; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:27 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0ce818e97dfb8e28b0c049775fa034f8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "tDoqKXaUaYtj2TPOmOlWkZaxGYmH1SHmyPrNbfoUJ8ugvSdoem-f3w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/rural-agriculture-and-north",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/rural-agriculture-and-north",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:35 GMT",
            "set-cookie": "__uzmc=2808435574525; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:35 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265975; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:35 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 74e6b877b07ebe020189c6ac74b35a12.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "FYhrsChuAIn8adyJybggWUM9aMaGSlzQTjR0W7mL0tEsjYZc3ovKfg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/government-ontario",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/government-ontario",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:42 GMT",
            "set-cookie": "__uzmc=3472337376268; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:42 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265982; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:42 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e55bc96795bb7ce1278ce14e9af04c62.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "O6xFPA4gcTTlwFiWBUID3-vlV0b2afJnYc_7MTCnCKh1Yh1RFkta3w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/fr/page/gouvernement-de-lontario",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/fr/page/gouvernement-de-lontario",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:50 GMT",
            "set-cookie": "__uzmc=4781139141917; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:50 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265990; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:50 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 6379d6b929e2547683abd72037eea242.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "pUsBDo_hZe1jjlXCac8m5PfENQfIcorDYUWBY3nZpyzL2T2-GAFqIw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/feedback/contact-us?id=7476&nid=540561",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/feedback/contact-us?id=7476&nid=540561",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 53,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": false,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:39:57 GMT",
            "set-cookie": "__uzmc=7621840995661; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:57 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774265997; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:39:57 GMT; Max-Age=15724800; SameSite=Lax",
            "via": "1.1 015b526555c583edc1af74c9bddda618.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "j9zfnTRPuEjWEtAI6HiyYmFkzcesitd9yXxy8NrapEUjF4BEHlLxdw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Enable Strict-Transport-Security",
            "urgency": "medium",
            "detail": "Set a Strict-Transport-Security header to enforce HTTPS on repeat visits."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/fr/page/avantages-fiscaux-et-impots",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/fr/page/avantages-fiscaux-et-impots",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:05 GMT",
            "set-cookie": "__uzmc=9580342750277; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:05 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266005; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:05 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 74e6b877b07ebe020189c6ac74b35a12.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "N5RV5KonbTyf8GP7KmV05xFzCokrbJT88ZSP2ffMsL8ZEoMsQXqj_Q==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/tax-credits-and-benefits-people",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/tax-credits-and-benefits-people",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:12 GMT",
            "set-cookie": "__uzmc=5562944549599; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:12 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266012; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:12 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 a2868193819f21dbaaa29df9b2db97a8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "uJyIk8WFD4qba0LTSmV26toW-bXeTNXMhu3ejVn_lBNbpMfXhj5Y5g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/tax-credits-and-benefits-topic",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/tax-credits-and-benefits-topic",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:19 GMT",
            "set-cookie": "__uzmc=3189846399004; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:19 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266019; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:19 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 f87f13a5a848066fcc2a8a3a4565f624.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "OEsu6b0ti5NRpjmHtwuIOWbmey-NRjAyVjcboJzAOyTpNwzOKGWPPA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/find-benefits-and-programs",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/find-benefits-and-programs",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:27 GMT",
            "set-cookie": "__uzmc=2338748146598; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:27 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266027; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:27 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 f87f13a5a848066fcc2a8a3a4565f624.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "AvfMZY-hpBQzuVfwqzAn_cXh5ZbyMd90oMk04F72p7ZtN8PjXze4mQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ministry-finance-tax-talk-information-sessions",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ministry-finance-tax-talk-information-sessions",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:34 GMT",
            "set-cookie": "__uzmc=8279149918932; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:34 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266034; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:34 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "6FkLO1TNWoBRZnpuMFk29FHxgR6kx-yO-VLYnHjggi6EVFjgz8dtHw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontario-disability-support-program",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontario-disability-support-program",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:41 GMT",
            "set-cookie": "__uzmc=6217151745442; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:41 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266041; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:41 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0ce818e97dfb8e28b0c049775fa034f8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "9P-EA7TWlZt1oGS5LrjpGNsPRbc_fkv6A-yu0MGSiupDuTTqCdCz-w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontario-trillium-benefit",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontario-trillium-benefit",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:49 GMT",
            "set-cookie": "__uzmc=4945753551028; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:49 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266049; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:49 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0b747b384dcf4955c35701c58efbe99a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "5vfS9RlyMPzjGrSxE7b3-3wbo0pAJVwiwS9rOj9OO-4n5KRQkMeCLQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontario-works",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontario-works",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:40:57 GMT",
            "set-cookie": "__uzmc=7781655379250; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:57 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266057; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:40:57 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "XFOVWwcFbdbOMVh8p7RlMw74V7y8GT6molJZFLqgg9lZTcyFyhZAqg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/beer-and-wine-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/beer-and-wine-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:05 GMT",
            "set-cookie": "__uzmc=8445857142832; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:05 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266065; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:05 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1ce3c99f7478fda265d2a9b9e6bcbcca.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "4oYxqEaEsG8xlH6V9CrRTKF27YpXeEs5mFBP2qiDsM_YUOA3616DpA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/corporations-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/corporations-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:13 GMT",
            "set-cookie": "__uzmc=7396758923688; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:13 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266073; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:13 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 015b526555c583edc1af74c9bddda618.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "J0UYrBBkJkThzE34Nx2CRLpEt_fFsz6RPFVhE53WjsSUcB2ZtHMs1A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/ontarios-tax-system",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/ontarios-tax-system",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:21 GMT",
            "set-cookie": "__uzmc=4873060788694; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:21 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266081; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:21 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e7ebfb9cbbe33f2c9648abfd86e6defc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "avjcAmpeVWDL-6qbAHb3eqxIN9LEe6luRpLKT9mfMCUlWYxDvyclBA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/employer-health-tax-eht",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/employer-health-tax-eht",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:28 GMT",
            "set-cookie": "__uzmc=2497162552326; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:28 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266088; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:28 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "dtpjaHh5gEyrVTQfSXnMiKyH0VAK7hRUM6wvsgrdmblhMkdCnvA3Kw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/estate-administration-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/estate-administration-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:35 GMT",
            "set-cookie": "__uzmc=5661464317664; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:35 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266095; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:35 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 871c32501d3d8475b80027845e14806a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "BQzAYYZFSMQMendH2aQD2tAPn0INKs1UZM3op8gYVHEWFk8mzFa9Qg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/fuel-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/fuel-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:43 GMT",
            "set-cookie": "__uzmc=8099366184807; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:43 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266103; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:43 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 6379d6b929e2547683abd72037eea242.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "csTcpS-ncuIbX-ejQZ9akfr4nT-egZpMriCS8LDj38IYYAzG8e-Pxg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/gasoline-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/gasoline-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:50 GMT",
            "set-cookie": "__uzmc=1022067949310; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:50 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266110; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:50 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0b747b384dcf4955c35701c58efbe99a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "IxJTV7kCVdMavCF5KUnPHMaGMntBqm6KSFSe-cvuKwBBuV5pShkQ7g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/gross-revenue-charges-hydroelectric-generating-stations",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/gross-revenue-charges-hydroelectric-generating-stations",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:41:57 GMT",
            "set-cookie": "__uzmc=4721869719709; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:57 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266117; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:41:57 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 c9505a8da49dbcfb1c35837934d7ce8c.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "B3Ctpek6vuI1haZBD7Z9qp4ZyRKlje5rK_WwGWykAoBzXWUdkNGGQw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/harmonized-sales-tax-hst",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/harmonized-sales-tax-hst",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:04 GMT",
            "set-cookie": "__uzmc=2464371515637; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:04 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266124; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:04 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2de806f34c46cd8976ce17e64f438afc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "8MwaVdMEuKxKiHAgvpKU3H33QBN8qaLvu9cOnx89WjOyrrvrubXM9w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/corporations-tax-insurance-premium-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/corporations-tax-insurance-premium-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:12 GMT",
            "set-cookie": "__uzmc=2099473392504; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:12 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266132; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:12 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9ccabc33db458fd61b527e6fd1170a2a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "BinEZ0a7vVLOKPX8OFZ_zohAWf-Bnmrfqc-FIGNVIK3U8ymuCZB1cg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/international-fuel-tax-agreement",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/international-fuel-tax-agreement",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:19 GMT",
            "set-cookie": "__uzmc=4065375115266; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:19 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266139; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:19 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 d2776ef21d9b55359ce4b9e261e60fe8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "WcesXFV_6Wko7iekJ0BtqzE_ZV3O113i-vr2NeGPhU82flIqcPsQGQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/international-registration-plan",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/international-registration-plan",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:27 GMT",
            "set-cookie": "__uzmc=9792876967730; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:27 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266147; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:27 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 d2776ef21d9b55359ce4b9e261e60fe8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "j9sO7QGi6GDZXM3jNVZXTWSKuVgN72XeFNjUjyYLUHQ-0VGylQvhjg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/land-transfer-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/land-transfer-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:34 GMT",
            "set-cookie": "__uzmc=2256078767943; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:34 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266154; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:34 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 f87f13a5a848066fcc2a8a3a4565f624.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "8mz4cUsp78zpCY8mwY68VLRpuWsoFB1SFn4kIyBPczmgN4p6Nu9_uA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontario-mining-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontario-mining-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:41 GMT",
            "set-cookie": "__uzmc=8420780511688; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:41 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266161; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:41 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e55bc96795bb7ce1278ce14e9af04c62.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "dMnJ98taTKk5ccAKtNJ0tXL2lSvFpHl_WTsC0wR28CoRxxBksuM0mA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/municipal-vacant-home-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/municipal-vacant-home-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:49 GMT",
            "set-cookie": "__uzmc=7159182376831; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:49 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266169; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:49 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9ccabc33db458fd61b527e6fd1170a2a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "3YczE9R-YmKmrhfBm1w7mHf6dT7PVUv833zd-PCbqUVhLdD0Ef7WcQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/non-resident-speculation-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/non-resident-speculation-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:42:56 GMT",
            "set-cookie": "__uzmc=7106184137614; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:56 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266176; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:42:56 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 61524e3f823aaa22442fec73d88a7228.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "iASU2TaY8h47d_RWqz7-xZfezSUKP9743Mqg5OH_C-ee6eCk6x6I5A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/health-premium",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/health-premium",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:04 GMT",
            "set-cookie": "__uzmc=3586585929136; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:03 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266183; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:03 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 6379d6b929e2547683abd72037eea242.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "a614qEIjysIqUFqKQLVAtbidsnlwVUc7irqLiHxh9mb6vy7lgRnNpA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/payments-lieu-additional-municipal-and-school-taxes",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/payments-lieu-additional-municipal-and-school-taxes",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:11 GMT",
            "set-cookie": "__uzmc=6782987790126; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:11 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266191; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:11 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 8b737277a466ead9e907e15193577c06.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "dUEEqBedRN8AnLtsE7ij9UXglulYHDtOqEqsOpkYx2tHTMMtrwmSMw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/payments-lieu-federal-and-provincial-corporate-tax-hydro-pils",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/payments-lieu-federal-and-provincial-corporate-tax-hydro-pils",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:18 GMT",
            "set-cookie": "__uzmc=2111089577943; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:18 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266198; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:18 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e5bd19c9ce69fd482f1f3a86b9b516c2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "3YqUugr5o4nGHvzRAr3j6UzufiL4ndfdhiOCBxL6o29WIgq3YOaQSw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/filing-your-tax-return",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/filing-your-tax-return",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:25 GMT",
            "set-cookie": "__uzmc=3543091356102; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:25 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266205; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:25 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e7ebfb9cbbe33f2c9648abfd86e6defc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "a3pJYkIiqZxr-RaK-do_dgX1PD6U3bYMGafL45Hiq8EIyohaIaFtHA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/property-tax-0",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/property-tax-0",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:33 GMT",
            "set-cookie": "__uzmc=4006693169433; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:33 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266213; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:33 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "gOQMw83MiLCj_YFGv_A9k9Rg3Z9JjtiK_RWwxSB4JuigQzQs2RlnGQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/provincial-land-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/provincial-land-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:40 GMT",
            "set-cookie": "__uzmc=9376394971306; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:40 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266220; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:40 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 a2868193819f21dbaaa29df9b2db97a8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "kdotG7_BCbNmPFlsUH5A7IOz1o9AtoeqXUpzW3Ds09q_E46coeGnfA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/race-tracks-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/race-tracks-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:47 GMT",
            "set-cookie": "__uzmc=3038896757920; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:47 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266227; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:47 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0ce818e97dfb8e28b0c049775fa034f8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "rW4qhz0sf_uGphKlz74BihWdwGEqe1MsXcn37UTxIiKaTqGD3Kb5HQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/retail-sales-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/retail-sales-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:43:54 GMT",
            "set-cookie": "__uzmc=6709898577299; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:54 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266234; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:43:54 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0ce818e97dfb8e28b0c049775fa034f8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "wExy0-3KA68e8aEV_-jcY3ITAeS6fvTZjtl_UAjO8ut-vP7XidotHw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/spirits-taxes",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/spirits-taxes",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:01 GMT",
            "set-cookie": "__uzmc=26020100350746; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:01 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266241; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:01 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 04c7123123e5b9ec1da72d64551131e0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "WlkI0itCxc6VBvsoy851uB9D4h3vlEVloTDkN4WoVcjNNcgBd3UbQA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/tobacco-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/tobacco-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:09 GMT",
            "set-cookie": "__uzmc=25125102169448; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:09 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266249; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:09 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1a6126cfe41767261c5d3839e7cc3ae2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "ItkYrdv93VogMVeqD0QH-FJlGybrVBVEswAiVq4qnmb-27bKmbeKhw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/transfer-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/transfer-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:16 GMT",
            "set-cookie": "__uzmc=35075103987935; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:16 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266256; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:16 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "dx4kdhz8i5b5919aEE_VptTHLR7l3O6bYjKMcJrS5wHAwXxX6nocYg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/business-income-tax",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/business-income-tax",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:23 GMT",
            "set-cookie": "__uzmc=49635105730403; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:23 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266263; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:23 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 a70baf2624d4df5d1c6e8ac83504037c.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "Sgtwm8wB7n2BrNt52YE_A9yO7fHoXEftlD63oOaz_8-lTXhs12SC6w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/ont-taxs-online",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/ont-taxs-online",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:30 GMT",
            "set-cookie": "__uzmc=20084107557636; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:30 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266270; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:30 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 015b526555c583edc1af74c9bddda618.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "PERqNcWg4VGJF0GxipJsP1AyGNHQlN16mAnlzTIXsDRXI9XMVU4n4g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/using-tax-services",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/using-tax-services",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:37 GMT",
            "set-cookie": "__uzmc=70845109326725; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:37 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266277; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:37 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2de806f34c46cd8976ce17e64f438afc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "VIrCK1ABFOy2uriDY4QFo4U5ZVNDNhfKq7jy72Bl44bPLsgemuZR5Q==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/ontarios-tax-system/voluntary-disclosure",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/ontarios-tax-system/voluntary-disclosure",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:44 GMT",
            "set-cookie": "__uzmc=78880111143788; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:44 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266284; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:44 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 ba26eb528096786e41b19dec29277dc6.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "1dl_-SiylDJYpKbyOAj4fVycTQWwHCpABggz9HcFc29lghuwbqihhA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ministry-finance",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ministry-finance",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:52 GMT",
            "set-cookie": "__uzmc=26317112995372; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:52 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266292; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:52 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 8b737277a466ead9e907e15193577c06.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "GVImSZSU2EG6HYJNtvJ9mKYFFmafEn6Vxo973EYLwphgJ_NSjyl_9g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ministry-children-community-and-social-services",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ministry-children-community-and-social-services",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:44:59 GMT",
            "set-cookie": "__uzmc=25864114741482; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:59 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266299; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:44:59 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 0ce818e97dfb8e28b0c049775fa034f8.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "jpg5ag4k4iReNTViSQ7FRRahh6EvtWctmIpjDDcqqAClN97Orpo5VQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/fr/page/affaires-et-economie",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/fr/page/affaires-et-economie",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:08 GMT",
            "set-cookie": "__uzmc=99056116565352; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:08 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266308; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:08 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 bfbe113f0ea2802b9e23121dc3bb9fe6.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "CA-PLdOy3aw9bio3YwdRlXG_fMlaozJqtz_pZ4VhEwH400NOsY1PMA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/business/start",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/business/start",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:16 GMT",
            "set-cookie": "__uzmc=81335118319902; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:16 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266316; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:16 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 10958524dd572b571b69f94d644733fa.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "qFuxMWe57RnWafMh2QudgKHFOGH0XGiOBdf64zCQoju9-w57HaRY4Q==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/business/custom-guide",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/business/custom-guide",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 53,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": false,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:23 GMT",
            "set-cookie": "__uzmc=75421120188698; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:23 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266323; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:23 GMT; Max-Age=15724800; SameSite=Lax",
            "via": "1.1 bfbe113f0ea2802b9e23121dc3bb9fe6.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "4vlyxN2az4AIPVtebl8TCKW5fn66yZnP9EDmnvHO9Ut7i2YzU4mWFQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Enable Strict-Transport-Security",
            "urgency": "medium",
            "detail": "Set a Strict-Transport-Security header to enforce HTTPS on repeat visits."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/track-permit-or-licence",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/track-permit-or-licence",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:30 GMT",
            "set-cookie": "__uzmc=97761121961150; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:30 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266330; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:30 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 bfbe113f0ea2802b9e23121dc3bb9fe6.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "WZ6BA9iIoXB8kWtQ9VXxTWqGLwKZ1pJWIPC58hJ_QPvxODvWtzE8Ig==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/indigenous-business-development-toolkit",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/indigenous-business-development-toolkit",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:38 GMT",
            "set-cookie": "__uzmc=93565123743410; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:38 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266338; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:38 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 bfbe113f0ea2802b9e23121dc3bb9fe6.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "vPSVzNxU4oqEoLHx0F-FGFabKceK76QIfIOiHYSLzCdLqWOh87iveg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/indigenous-business-development-toolkit/planning-your-business",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/indigenous-business-development-toolkit/planning-your-business",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:45 GMT",
            "set-cookie": "__uzmc=64163125530586; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:45 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266345; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:45 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "z9s-OXML6NJmrW2MfiXtOuvTBsjeXxmgowf1ITscg2Ni5y7oUdq-PQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/indigenous-procurement-program",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/indigenous-procurement-program",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:52 GMT",
            "set-cookie": "__uzmc=57927127331382; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:52 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266352; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:52 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "IM6Ew6vEkmGkzIk42TnseaVsYuC6_gB1cdvJqJIe4aDTV6kaL18udA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/first-nations-community-economic-development-guide",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/first-nations-community-economic-development-guide",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:45:59 GMT",
            "set-cookie": "__uzmc=60327129155263; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:59 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266359; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:45:59 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7f7ba1ba4e83d353909c5d9c69a68218.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "tIbKZg8gy9Dz9RhVno-raxjl3PESxKSkChNwfw46yaz5qVmBwmV-Lw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/regional-innovation-centre-locations",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/regional-innovation-centre-locations",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:06 GMT",
            "set-cookie": "__uzmc=67785130930101; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:06 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266366; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:06 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e2ef54be36cbd5bbe7d8d39b7e557398.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "BI37sU0Knf3ILpdUu6WRM-IKEh3a3rqWKaEvFw1uKn7yve3SoddJJA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/small-business-enterprise-centre-locations",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/small-business-enterprise-centre-locations",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:14 GMT",
            "set-cookie": "__uzmc=69350132753855; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:14 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266374; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:14 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e2ef54be36cbd5bbe7d8d39b7e557398.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "bXvG9kZrD8bgK8dvLQiCksSTaSJzWGwAw9II_FeY4lsNmlN6V22seg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/funding-indigenous-economic-development",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/funding-indigenous-economic-development",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:21 GMT",
            "set-cookie": "__uzmc=34880134526750; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:21 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266381; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:21 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e2ef54be36cbd5bbe7d8d39b7e557398.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "0KpDXJb05_U_ghj5VgRHXeDaeuUmh2I3WXMwwhWCjA-DQ2294qHZ3w==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/start-summer-company-students",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/start-summer-company-students",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:28 GMT",
            "set-cookie": "__uzmc=98700136350634; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:28 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266388; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:28 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 871c32501d3d8475b80027845e14806a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "XBuZRnOQlndiah1F1QtNu2B57qFELE1qbUzbez9PeBKpqXJ77pHR5g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/business-advisory-services-small-medium-sized-businesses",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/business-advisory-services-small-medium-sized-businesses",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:36 GMT",
            "set-cookie": "__uzmc=79663138150526; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:36 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266396; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:36 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9ccabc33db458fd61b527e6fd1170a2a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "syr7a3tX24vz0jGSiSTF9qpAiL7U6KbzbfMcCEZ5Y05HFkqsgrX7dg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/starter-company-plus",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/starter-company-plus",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:44 GMT",
            "set-cookie": "__uzmc=12055139979859; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:44 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266404; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:44 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 61524e3f823aaa22442fec73d88a7228.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "iyMuOIQRztS3DcJp9Pyxs-h1X1fNxXc390FaAspZCR0lPF6Wlr4DPw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/womens-economic-security-program-wesp",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/womens-economic-security-program-wesp",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:51 GMT",
            "set-cookie": "__uzmc=93323141768195; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:51 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266411; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:51 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9f0f7a2cfa3b24dc8aabbd72678fa600.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "T97E35Qwfl4R3aZu2By5vDUwr6LiwLkW9vZUU01Z8eT6Xm0_Qhd4Qw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/protect-ontario-financing-program",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/protect-ontario-financing-program",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:46:58 GMT",
            "set-cookie": "__uzmc=72194143599429; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:58 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266418; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:46:58 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 c9505a8da49dbcfb1c35837934d7ce8c.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "f-DhupO_bPvsC4wYu94qUxx_1meqTDXywiUxKFIH6xwNSNBGEPSs4A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/trade-impacted-communities-program-guidelines",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/trade-impacted-communities-program-guidelines",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:06 GMT",
            "set-cookie": "__uzmc=57189145384303; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:06 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266426; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:06 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "LJu5Q9ow9pBzHrN2V60G26-h_ZtoeeF08rcPmbX4zei24RYGu04TRQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontario-together-trade-fund",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontario-together-trade-fund",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:13 GMT",
            "set-cookie": "__uzmc=74172147136301; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:13 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266433; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:13 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 8b737277a466ead9e907e15193577c06.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "NMQ0ciEDYT2M6Ofqh667xqDwYPCLWb_wgvSFv15zrxOdoeejWhFoQA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/rural-ontario-development-program",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/rural-ontario-development-program",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:20 GMT",
            "set-cookie": "__uzmc=21355148995801; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:20 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266440; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:20 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2de806f34c46cd8976ce17e64f438afc.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "WiKAo_BSmQlnc37d8gLcYqTAUeTgj2ALvNxKnOsulONDiIYgJJlXJQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/available-funding-opportunities-ontario-government",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/available-funding-opportunities-ontario-government",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:27 GMT",
            "set-cookie": "__uzmc=46042150739357; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:27 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266447; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:27 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 b3253b615e768e9b2e0a73436b4963a2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "x_AYxSGkDE8_z8V7bRd2JFbfAqTPyHLGoNdu74BnNofWBhWgb8rq3g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/eastern-ontario-development-fund",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/eastern-ontario-development-fund",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:34 GMT",
            "set-cookie": "__uzmc=69493152565841; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:34 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266454; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:34 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "YBX9nd9ENINdGTN6k9AC4XVp8Le8x0Kx2hS-mi76ig5sUUV1K9rITw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/southwestern-ontario-development-fund",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/southwestern-ontario-development-fund",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:42 GMT",
            "set-cookie": "__uzmc=52758154371957; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:42 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266462; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:42 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "z9L1I1ayZW1Qlv7StgWJxqAqFC-a8L_xeCSQ_Ii-shpEgEuuRjbnBQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/your-guide-employment-standards-act-0",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/your-guide-employment-standards-act-0",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:49 GMT",
            "set-cookie": "__uzmc=41568156165653; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:49 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266469; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:49 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 fbeadf5258239693a7f34d4cba785a0c.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "03eIew_Ihd8pJE9yzkjMZ4BOLQHaf9E31aXq23Qm7ToxMgnoSD_GBg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/document/guide-occupational-health-and-safety-act",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/document/guide-occupational-health-and-safety-act",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:47:56 GMT",
            "set-cookie": "__uzmc=29712157965344; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:56 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266476; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:47:56 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 2a4d036aba4a1955167423d6350211ac.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "hrN94GQQOYh-2U_QuMj0s7YMNSexPf2mEU7ZGhzckBbbPCPDkMCLBg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/health-and-safety-small-businesses",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/health-and-safety-small-businesses",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:03 GMT",
            "set-cookie": "__uzmc=35154159776208; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:03 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266483; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:03 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1a6126cfe41767261c5d3839e7cc3ae2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "4V3bo1w4FyJdx2QsGUChKClvxOsFceSEmNqwr4T3tufK_D-uCZa0sg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/file-work-notice",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/file-work-notice",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:10 GMT",
            "set-cookie": "__uzmc=65637161543074; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:10 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266490; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:10 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 61524e3f823aaa22442fec73d88a7228.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "yXYYj1OsPm6RuBedQkGytK5HALMyommZtm6nBmE0LvsgdjAvJdxiiA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/about-accessibility-laws",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/about-accessibility-laws",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:18 GMT",
            "set-cookie": "__uzmc=41843163393332; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:18 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266498; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:18 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 bdfe8096748affcfe410aa1a8d05a660.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "jSyaOPDzoFfcxUzxURIQxvfRuaccAHRerUrel4O8CMa9vZlvAZ9w5g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/accessibility-ontario-information-businesses",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/accessibility-ontario-information-businesses",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:25 GMT",
            "set-cookie": "__uzmc=99544165127593; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:25 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266505; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:25 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 af88a9fe36a270a032e7b509430eba58.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "0EUjmbkR59OjCPjmWiwSFfhBKj4rFiDLDbGvV1vodYh6ObtxXl5h8Q==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/completing-your-accessibility-compliance-report",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/completing-your-accessibility-compliance-report",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:32 GMT",
            "set-cookie": "__uzmc=92374166983875; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:32 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266512; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:32 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1a6126cfe41767261c5d3839e7cc3ae2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "QDWTYoJDwruM0QDK6jgu-FmKt2WNVyUuvDS0yXu6127HZqiCuj2TWw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/consumer-protection-information-businesses",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/consumer-protection-information-businesses",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:39 GMT",
            "set-cookie": "__uzmc=92711168753681; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:39 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266519; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:39 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 7e78cf73897248fd3483c26f331f53a0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "5YXSfSgUriOIx8e8jZj3n8Os3Z1ztVnyux1CHNYVBqhGdZO569_0Pw==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontarios-agriculture-and-food-laws",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontarios-agriculture-and-food-laws",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:46 GMT",
            "set-cookie": "__uzmc=99453170569884; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:46 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266526; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:46 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 61524e3f823aaa22442fec73d88a7228.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "KEcbYhrFpas5cVw2WiCF7uTX-1GD45_g_ukVpzcPujxpRTW7EbrdtQ==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/applying-meat-plant-operator-licence",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/applying-meat-plant-operator-licence",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:48:54 GMT",
            "set-cookie": "__uzmc=15593172321111; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:54 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266534; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:48:54 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 1a6126cfe41767261c5d3839e7cc3ae2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "3ChNSYqj57PBDnj3Hrei3JJNCfTdlV4nt0B_jcYsOBKsic0zDF9G1g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/environmental-permissions",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/environmental-permissions",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:49:01 GMT",
            "set-cookie": "__uzmc=38014174175264; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:01 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266541; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:01 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9ccabc33db458fd61b527e6fd1170a2a.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "xtCmS-spVEZWb4KDQ6ZJZE8-qGPKb8jtkKAXv2oK6IrGK1wMR5l2Lg==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/animal-welfare",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/animal-welfare",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:49:08 GMT",
            "set-cookie": "__uzmc=14206175916756; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:08 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266548; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:08 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 e5bd19c9ce69fd482f1f3a86b9b516c2.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "_QqOP9IHVtau5ISM0PBFcb53x275R03cGMcBcrJu7O_mv1_W9d_p7A==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/laws/statute/19p13",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/laws/statute/19p13",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:49:15 GMT",
            "set-cookie": "__uzmc=21016177728397; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:15 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266555; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:15 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 9a5726cd8fba66b762958c80565fbcd0.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "lJqa7AJ_DczwUoqERzpub4ECdM-qPoLtxQicmt9n8EL-o86X0k8z6g==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/commercial-vehicles",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/commercial-vehicles",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:49:22 GMT",
            "set-cookie": "__uzmc=68444179560376; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:22 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266562; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:22 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 33b0b412b1709d9814713e75ad5a5278.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "jx9BbwpG0brBI6qvTkqYVbgqD52ufrZqncXZ2aphBKfY8T_3pb1u5Q==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    },
    {
      "url": "https://ontario.ca/page/ontarios-building-code",
      "status": "ok",
      "finalUrl": "https://www.ontario.ca/page/ontarios-building-code",
      "performanceScore": null,
      "bestPracticesScore": null,
      "transferBytes": 0,
      "co2Grams": 0,
      "greenWeb": {
        "page": {
          "hostname": "www.ontario.ca",
          "checked": true,
          "status": "not-green",
          "green": false,
          "hostedBy": null,
          "hostedByWebsite": null,
          "listedProvider": null,
          "partner": null,
          "modified": "2026-03-23T11:36:01.374714",
          "supportingDocuments": [],
          "source": "https://api.thegreenwebfoundation.org/api/v3/greencheck/www.ontario.ca",
          "error": null
        },
        "externalAssets": [],
        "summary": {
          "pageStatus": "not-green",
          "externalOriginCount": 0,
          "greenCount": 0,
          "notGreenCount": 1,
          "unknownCount": 0
        }
      },
      "formValidation": {
        "score": 0,
        "urgency": "low",
        "pageElementOccurrences": 0,
        "uniqueElementsAssessed": 0,
        "reusedFromCacheCount": 0,
        "components": [],
        "recommendations": [
          {
            "title": "No major form validation risks detected",
            "urgency": "low",
            "detail": "Continue testing form flows to ensure error handling remains clear across templates."
          }
        ]
      },
      "metadata": {
        "score": 40,
        "urgency": "medium",
        "checks": {
          "hasTitle": true,
          "hasLang": true,
          "hasDescription": false,
          "hasCanonical": false,
          "hasOpenGraphCore": false,
          "hasTwitterCard": false,
          "hasViewport": true,
          "hasCharset": true,
          "hasValidStructuredData": true,
          "hasInvalidStructuredData": false
        },
        "observed": {
          "title": "Government of Ontario",
          "lang": "en",
          "charset": "UTF-8",
          "viewport": "width=device-width, initial-scale=1, minimum-scale=1",
          "description": "",
          "robots": "",
          "canonical": "",
          "ogTitle": "",
          "ogDescription": "",
          "ogType": "",
          "ogUrl": "",
          "twitterCard": "",
          "ldJsonCount": 0,
          "validLdJsonCount": 0,
          "invalidLdJsonCount": 0
        },
        "recommendations": [
          {
            "title": "Add canonical URL metadata",
            "urgency": "medium",
            "detail": "Use rel=canonical to reduce duplicate URL ambiguity for crawlers and tooling."
          },
          {
            "title": "Add meta description",
            "urgency": "medium",
            "detail": "Provide a concise description to improve machine interpretation and preview quality."
          },
          {
            "title": "Complete Open Graph metadata",
            "urgency": "medium",
            "detail": "Include og:title, og:description, og:type, and og:url for robust machine-readable sharing metadata."
          },
          {
            "title": "Add twitter:card metadata",
            "urgency": "low",
            "detail": "Include twitter card metadata to improve cross-platform machine-readable previews."
          }
        ]
      },
      "layoutAdaptation": {
        "score": 0,
        "urgency": "low",
        "checks": {
          "testedMobile": true,
          "testedTablet": true,
          "horizontalOverflowOnMobile": false,
          "horizontalOverflowOnTablet": false,
          "mobileSmallTapTargets": 0,
          "tabletSmallTapTargets": 0,
          "fixedWidthOffenders": 0,
          "oversizedMedia": 0,
          "scanErrors": 0
        },
        "perDevice": [
          {
            "device": "mobile",
            "viewportWidth": 390,
            "viewportHeight": 844,
            "contentWidth": 390,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          },
          {
            "device": "tablet",
            "viewportWidth": 820,
            "viewportHeight": 1180,
            "contentWidth": 820,
            "horizontalOverflowPx": 0,
            "hasHorizontalOverflow": false,
            "fixedWidthOffenders": 0,
            "smallTapTargets": 0,
            "oversizedMedia": 0
          }
        ],
        "recommendations": [
          {
            "title": "Layout adaptation looks healthy",
            "urgency": "low",
            "detail": "No major mobile or tablet layout issues were detected in this sample."
          }
        ]
      },
      "securityLight": {
        "score": 38,
        "urgency": "medium",
        "checks": {
          "isHttps": true,
          "hasHsts": true,
          "hasCsp": false,
          "hasXContentTypeOptions": false,
          "hasReferrerPolicy": false,
          "hasPermissionsPolicy": false,
          "exposesServerFingerprint": false,
          "externalScriptCount": 0,
          "externalScriptsWithoutIntegrity": 0,
          "vulnerableLibraryCount": 0
        },
        "observed": {
          "headers": {
            "content-type": "text/html",
            "date": "Mon, 23 Mar 2026 11:49:30 GMT",
            "set-cookie": "__uzmc=60816181325987; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:30 GMT; Max-Age=15724800; SameSite=Lax\n__uzmd=1774266570; HttpOnly; path=/; Expires=Mon, 21-Sep-26 11:49:30 GMT; Max-Age=15724800; SameSite=Lax",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "via": "1.1 a70baf2624d4df5d1c6e8ac83504037c.cloudfront.net (CloudFront)",
            "x-amz-cf-id": "iLyRxtD92_wUAevLg75tQxVTO7dfbbkm-Wofn8vX897wgGXaQ1wgIA==",
            "x-amz-cf-pop": "YUL62-P3",
            "x-cache": "Error from cloudfront",
            "x-limit": "global"
          },
          "vulnerableLibrariesAuditScore": null,
          "vulnerableLibraries": []
        },
        "recommendations": [
          {
            "title": "Add a Content-Security-Policy header",
            "urgency": "high",
            "detail": "Add an appropriate CSP to reduce script injection and resource loading risk."
          },
          {
            "title": "Set X-Content-Type-Options: nosniff",
            "urgency": "medium",
            "detail": "Prevent MIME type sniffing by adding the nosniff response header."
          },
          {
            "title": "Define a Referrer-Policy",
            "urgency": "low",
            "detail": "Set a referrer policy to reduce unnecessary URL data leakage."
          },
          {
            "title": "Define a Permissions-Policy",
            "urgency": "low",
            "detail": "Restrict browser capabilities to only what the application needs."
          }
        ]
      },
      "expectedFiles": {
        "score": 80,
        "urgency": "high",
        "origin": "https://www.ontario.ca",
        "checks": [
          {
            "path": "/robots.txt",
            "kind": "expected",
            "url": "https://www.ontario.ca/robots.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/sitemap.xml",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/sitemap.xml",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/.well-known/security.txt",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/.well-known/security.txt",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/manifest.webmanifest",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/manifest.webmanifest",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          },
          {
            "path": "/favicon.ico",
            "kind": "beneficial",
            "url": "https://www.ontario.ca/favicon.ico",
            "found": false,
            "status": 429,
            "contentType": "text/html"
          }
        ],
        "recommendations": [
          {
            "title": "Add missing expected site files",
            "urgency": "high",
            "detail": "Missing expected file(s): /robots.txt."
          },
          {
            "title": "Add beneficial discoverability and maintenance files",
            "urgency": "medium",
            "detail": "Missing beneficial file(s): /sitemap.xml, /.well-known/security.txt, /manifest.webmanifest, /favicon.ico."
          }
        ]
      },
      "compressionOpportunities": {
        "wsgReference": {
          "title": "Reduce data transfer with compression",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#reduce-data-transfer-with-compression"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "checks": {
          "hasEffectiveTextCompression": true
        },
        "opportunities": [],
        "recommendations": [
          {
            "title": "No major compression opportunity detected",
            "urgency": "low",
            "detail": "Compression signals look healthy in current Lighthouse audits; continue enforcing compression and asset encoding in CI/CD."
          }
        ]
      },
      "optimizationOpportunities": {
        "wsgReference": {
          "title": "Use the most efficient solution for your service",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service"
        },
        "score": 0,
        "urgency": "low",
        "totalEstimatedSavingsBytes": 0,
        "totalEstimatedBlockingMs": 0,
        "opportunities": [],
        "recommendations": [
          {
            "title": "No obvious optimization bloat signals",
            "urgency": "low",
            "detail": "No major easy-win optimization opportunities were detected from current Lighthouse signals."
          }
        ]
      },
      "dependencyMaintenance": {
        "wsgReference": {
          "title": "Use dependencies appropriately and ensure maintenance",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance"
        },
        "score": 0,
        "urgency": "low",
        "vulnerableLibraryCount": 0,
        "vulnerableLibraries": [],
        "externalScriptsWithoutIntegrity": 0,
        "recommendations": [
          {
            "title": "No dependency maintenance warnings detected",
            "urgency": "low",
            "detail": "No vulnerable dependency flags were found for this page in the current lightweight checks."
          }
        ]
      },
      "offlineSupport": {
        "wsgReference": {
          "title": "Optimize caching and support offline access",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-caching-and-support-offline-access"
        },
        "score": 100,
        "urgency": "high",
        "checks": {
          "hasServiceWorker": false,
          "worksOffline": false,
          "hasInstallableManifest": false,
          "hasOfflineStartUrl": false,
          "longCacheTtlScore": 0,
          "cacheSavingsBytes": 0
        },
        "opportunities": [
          {
            "id": "service-worker",
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "id": "works-offline",
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "id": "installable-manifest",
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "id": "offline-start-url",
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "id": "uses-long-cache-ttl",
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ],
        "recommendations": [
          {
            "title": "Add service worker support",
            "urgency": "high",
            "detail": "Register a service worker to support resilient caching and offline behavior for key routes."
          },
          {
            "title": "Ensure critical routes work offline",
            "urgency": "high",
            "detail": "Provide an offline fallback strategy for key pages and shell assets."
          },
          {
            "title": "Improve web app manifest support",
            "urgency": "medium",
            "detail": "Complete manifest fields so clients can install and run an app-like experience."
          },
          {
            "title": "Support offline start URL behavior",
            "urgency": "medium",
            "detail": "Ensure start URL and shell routing can load in disconnected conditions."
          },
          {
            "title": "Strengthen static asset cache TTL",
            "urgency": "high",
            "detail": "Improve long-lived cache headers for immutable static assets."
          }
        ]
      },
      "languageVersionGuidance": {
        "wsgReference": {
          "title": "Use the latest stable language version",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-latest-stable-language-version"
        },
        "score": 0,
        "urgency": "low",
        "observedTechnologies": [],
        "outdatedTechnologies": [],
        "vulnerableLibraryCount": 0,
        "recommendations": [
          {
            "title": "No obvious outdated runtime version disclosed",
            "urgency": "low",
            "detail": "No clearly outdated runtime version signals were exposed in sampled HTTP headers. Verify language/runtime versions in source and CI since backend versions are not always externally visible."
          }
        ]
      },
      "deadCode": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "css": {
          "unusedBytes": 0,
          "ratio": 0,
          "auditId": "unused-css-rules"
        },
        "javascript": {
          "unusedBytes": 0,
          "duplicatedBytes": 0,
          "ratio": 0,
          "auditIds": [
            "unused-javascript",
            "duplicated-javascript"
          ]
        },
        "html": {
          "estimatedPenalty": 0,
          "totalBodyElements": 0,
          "maxDepth": 0,
          "maxChildElements": 0,
          "note": "HTML dead code cannot be measured directly from Lighthouse. This score estimates unnecessary markup from DOM size and complexity signals."
        },
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "4",
          "title": "Remove unnecessary code",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-code",
          "subheading": "Clear out dead or unused code as it builds up in a project to reduce the amount of wasted data being transferred."
        }
      },
      "nonCriticalResources": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedDeferrableBytes": 0,
        "renderBlockingMs": 0,
        "breakdown": {
          "offscreenImageSavings": 0,
          "unusedJavascriptSavings": 0,
          "unusedCssSavings": 0
        },
        "candidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "8",
          "title": "Defer the loading of non-critical resources",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#defer-the-loading-of-non-critical-resources",
          "subheading": "Avoid render-blocking slowdowns by asynchronously loading, deferring, or prioritizing external resources as appropriate."
        }
      },
      "thirdPartyJs": {
        "wsgReference": {
          "title": "Give third parties the same priority as first parties during assessment",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#give-third-parties-the-same-priority-as-first-parties-during-assessment"
        },
        "score": 0,
        "urgency": "low",
        "providerCount": 0,
        "requestCount": 0,
        "transferBytes": 0,
        "notGreenCount": 0,
        "unknownCount": 0,
        "scripts": [],
        "recommendations": [
          {
            "title": "No major third-party JavaScript risk signals",
            "urgency": "low",
            "detail": "Continue periodic reviews so third-party additions are assessed with the same rigor as first-party code."
          }
        ]
      },
      "redundancy": {
        "score": 0,
        "urgency": "low",
        "transferBytes": 0,
        "estimatedRedundantBytes": 0,
        "redundancyRatio": 0,
        "relatedAuditIds": [
          "unused-css-rules",
          "unused-javascript",
          "duplicated-javascript",
          "dom-size",
          "uses-text-compression",
          "unminified-css",
          "unminified-javascript"
        ],
        "wasteByAudit": [],
        "recommendations": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "2",
          "title": "Remove unnecessary or redundant information",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
          "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
        }
      },
      "modularization": {
        "score": 0,
        "urgency": "low",
        "totalTransferBytes": 0,
        "heavyRequestCount": 0,
        "heavyBytes": 0,
        "heavyRatio": 0,
        "heavyRequests": [],
        "groupedByType": [],
        "groupedByOrigin": [],
        "onDemandCandidates": [],
        "wsg": {
          "categoryId": "3",
          "categoryName": "Web Development",
          "id": "3",
          "title": "Modularize bandwidth-heavy components",
          "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
          "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
        }
      },
      "findings": [
        {
          "auditId": "largest-contentful-paint",
          "title": "Largest Contentful Paint",
          "description": "Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Largest Contentful Paint\n\n- Lighthouse audit: largest-contentful-paint\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nLargest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "speed-index",
          "title": "Speed Index",
          "description": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "1",
            "title": "Set goals based on performance and energy impact",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact",
            "subheading": "Account for the difference in energy intensity that different types of content may have on a project and set goals based on what you would like to achieve."
          },
          "issueTemplate": "## Improve Speed Index\n\n- Lighthouse audit: speed-index\n- WSG guideline: 1 Set goals based on performance and energy impact\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#set-goals-based-on-performance-and-energy-impact\n\n### Why this matters\nSpeed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric](https://developer.chrome.com/docs/lighthouse/performance/speed-index/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-javascript",
          "title": "Reduce unused JavaScript",
          "description": "Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "16",
            "title": "Use dependencies appropriately and ensure maintenance",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance",
            "subheading": "Use libraries and frameworks only where necessary, when plain code or smaller packages are inappropriate for the use case, and they are kept up to date."
          },
          "issueTemplate": "## Improve Reduce unused JavaScript\n\n- Lighthouse audit: unused-javascript\n- WSG guideline: 16 Use dependencies appropriately and ensure maintenance\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-dependencies-appropriately-and-ensure-maintenance\n\n### Why this matters\nReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. [Learn how to reduce unused JavaScript](https://developer.chrome.com/docs/lighthouse/performance/unused-javascript/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "unused-css-rules",
          "title": "Reduce unused CSS",
          "description": "Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Reduce unused CSS\n\n- Lighthouse audit: unused-css-rules\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. [Learn how to reduce unused CSS](https://developer.chrome.com/docs/lighthouse/performance/unused-css-rules/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "modern-image-formats",
          "title": "Serve images in next-gen formats",
          "description": "Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Serve images in next-gen formats\n\n- Lighthouse audit: modern-image-formats\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nImage formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more about modern image formats](https://developer.chrome.com/docs/lighthouse/performance/uses-webp-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-optimized-images",
          "title": "Efficiently encode images",
          "description": "Optimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "2",
            "categoryName": "User Experience Design",
            "id": "11",
            "title": "Optimize media to reduce resource use",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use",
            "subheading": "Ensure all media - including audio, video, animation, images, and other novel formats, when deemed necessary in the design, are optimized, correctly sized and formatted, use lazy loading where appropriate, with a usage policy in place."
          },
          "issueTemplate": "## Improve Efficiently encode images\n\n- Lighthouse audit: uses-optimized-images\n- WSG guideline: 11 Optimize media to reduce resource use\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#optimize-media-to-reduce-resource-use\n\n### Why this matters\nOptimized images load faster and consume less cellular data. [Learn how to efficiently encode images](https://developer.chrome.com/docs/lighthouse/performance/uses-optimized-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "offscreen-images",
          "title": "Defer offscreen images",
          "description": "Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "3",
            "title": "Modularize bandwidth-heavy components",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components",
            "subheading": "Break down large components into smaller, self-contained pieces that can be requested only when required to save bandwidth."
          },
          "issueTemplate": "## Improve Defer offscreen images\n\n- Lighthouse audit: offscreen-images\n- WSG guideline: 3 Modularize bandwidth-heavy components\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#modularize-bandwidth-heavy-components\n\n### Why this matters\nConsider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. [Learn how to defer offscreen images](https://developer.chrome.com/docs/lighthouse/performance/offscreen-images/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "render-blocking-resources",
          "title": "Eliminate render-blocking resources",
          "description": "Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Eliminate render-blocking resources\n\n- Lighthouse audit: render-blocking-resources\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nResources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. [Learn how to eliminate render-blocking resources](https://developer.chrome.com/docs/lighthouse/performance/render-blocking-resources/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-text-compression",
          "title": "Enable text compression",
          "description": "Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Enable text compression\n\n- Lighthouse audit: uses-text-compression\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nText-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more about text compression](https://developer.chrome.com/docs/lighthouse/performance/uses-text-compression/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "uses-rel-preconnect",
          "title": "Preconnect to required origins",
          "description": "Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "18",
            "title": "Use the most efficient solution for your service",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service",
            "subheading": "Identify the project requirements, use the most efficient approach, aim for static over dynamic where possible, and consider the impact of extensions and components."
          },
          "issueTemplate": "## Improve Preconnect to required origins\n\n- Lighthouse audit: uses-rel-preconnect\n- WSG guideline: 18 Use the most efficient solution for your service\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#use-the-most-efficient-solution-for-your-service\n\n### Why this matters\nConsider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. [Learn how to preconnect to required origins](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "server-response-time",
          "title": "Initial server response time was short",
          "description": "Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "4",
            "categoryName": "Hosting, Infrastructure, and Systems",
            "id": "11",
            "title": "Ensure infrastructure fits project requirements",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements",
            "subheading": "Maintain the infrastructure you require rather than over-provisioning. Autoscale to meet demand and preserve hardware resources."
          },
          "issueTemplate": "## Improve Initial server response time was short\n\n- Lighthouse audit: server-response-time\n- WSG guideline: 11 Ensure infrastructure fits project requirements\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#ensure-infrastructure-fits-project-requirements\n\n### Why this matters\nKeep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "total-byte-weight",
          "title": "Avoids enormous network payloads",
          "description": "Large network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "5",
            "categoryName": "Business Strategy And Product Management",
            "id": "25",
            "title": "Define performance and environmental budgets",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets",
            "subheading": "Set budgets, taking people, planet, and performance into account alongside baselines, targets, evidence, and resources to help meet KPIs."
          },
          "issueTemplate": "## Improve Avoids enormous network payloads\n\n- Lighthouse audit: total-byte-weight\n- WSG guideline: 25 Define performance and environmental budgets\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#define-performance-and-environmental-budgets\n\n### Why this matters\nLarge network payloads cost users real money and are highly correlated with long load times. [Learn how to reduce payload sizes](https://developer.chrome.com/docs/lighthouse/performance/total-byte-weight/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        },
        {
          "auditId": "dom-size",
          "title": "Avoids an excessive DOM size",
          "description": "A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).",
          "score": null,
          "displayValue": "",
          "impact": "investigate",
          "wsg": {
            "categoryId": "3",
            "categoryName": "Web Development",
            "id": "2",
            "title": "Remove unnecessary or redundant information",
            "url": "https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information",
            "subheading": "Remove redundant characters from code to reduce the amount of data being stored and transferred to devices."
          },
          "issueTemplate": "## Improve Avoids an excessive DOM size\n\n- Lighthouse audit: dom-size\n- WSG guideline: 2 Remove unnecessary or redundant information\n- WSG link: https://www.w3.org/TR/web-sustainability-guidelines/#remove-unnecessary-or-redundant-information\n\n### Why this matters\nA large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). [Learn how to avoid an excessive DOM size](https://developer.chrome.com/docs/lighthouse/performance/dom-size/).\n\n### Definition of done\n- [ ] Metric improves in Lighthouse on key templates\n- [ ] Changes documented in release notes\n- [ ] Re-scan confirms improvement"
        }
      ]
    }
  ]
}