{
 "schema_version": "0.1",
 "site": "nih.gov",
 "scan_week": "2026-W25",
 "generated_at": "2026-09-30T18:09:55.501Z",
 "source_files": [
  "docs/reports/nih.gov/2026-W25/",
  "data/nih.gov/findings.json",
  "data/nih.gov/2026-W25/summary.json"
 ],
 "summary": {
  "pages_known": 4818,
  "pages_scanned_this_week": 103,
  "pages_with_known_issues": 45,
  "findings": 14,
  "clusters": 16,
  "new_findings": 14,
  "persistent_findings": 0,
  "high_priority_findings": 1
 },
 "top_risks": [
  {
   "finding_id": "VS-8ade3360",
   "rule_id": "link-in-text-block",
   "rule_label": "Links must be distinguishable without relying on color",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 6,
   "rationale": "Serious severity",
   "top_url": "https://nih.gov/about-nih"
  }
 ],
 "findings": [
  {
   "finding_id": "VS-8ade3360",
   "fingerprint": "8bf51706",
   "rule_id": "link-in-text-block",
   "rule_label": "Links must be distinguishable without relying on color",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 6,
    "affected_pages_previous": 22
   },
   "frequency": {
    "instances": 34,
    "pages_affected": 6,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Links must be distinguishable without relying on color (WCAG 1.4.1)",
   "description": "Links must be distinguishable without relying on color. Detected by axe-core rule link-in-text-block on 6 of 103 scanned pages (34 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule link-in-text-block (WCAG 1.4.1).",
   "actual_behavior": "Links must be distinguishable without relying on color. Detected by axe-core rule link-in-text-block on 6 of 103 scanned pages (34 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih",
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/nih-almanac/department-health-human-services-secretaries"
   ],
   "html_fragments": [
    {
     "fingerprint": "58c8e543",
     "html": "<a href=\"https://www.hhs.gov/\" class=\"ext\" data-extlink=\"\" target=\"_blank\" rel=\"noopener nofollow noreferrer\" title=\"(opens in a new window)\">Department of Health and Human Services</a>",
     "selectors": [
      ".usa-identifier__identity-disclaimer > a[href$=\"hhs.gov/\"]"
     ]
    },
    {
     "fingerprint": "969aa87e",
     "html": "<a href=\"https://grants.nih.gov/\" class=\"ext\" data-extlink=\"\" target=\"_blank\" rel=\"noopener nofollow noreferrer\" title=\"(opens in a new window)\">extramural research</a>",
     "selectors": [
      "a[href$=\"grants.nih.gov/\"][data-extlink=\"\"][target=\"_blank\"]:nth-child(2)"
     ]
    },
    {
     "fingerprint": "abbbb599",
     "html": "<a href=\"https://grants.nih.gov/\" class=\"ext\" data-extlink=\"\" target=\"_blank\" rel=\"noopener nofollow noreferrer\" title=\"(opens in a new window)\">competitive grants</a>",
     "selectors": [
      "a[href$=\"grants.nih.gov/\"][data-extlink=\"\"][target=\"_blank\"]:nth-child(4)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about-nih",
     "count": 1
    },
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/nih-almanac/department-health-human-services-secretaries",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without color perception (4.5%), Limited vision (2.4%)."
   }
  },
  {
   "finding_id": "VS-f18df681",
   "fingerprint": "09987718",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 5 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 5,
    "affected_pages_previous": 23
   },
   "frequency": {
    "instances": 5,
    "pages_affected": 5,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "All page content should be contained by landmarks (WCAG criterion undetermined)",
   "description": "All page content should be contained by landmarks. Detected by axe-core rule region on 5 of 103 scanned pages (5 instances).",
   "remediation_tip": "Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule region.",
   "actual_behavior": "All page content should be contained by landmarks. Detected by axe-core rule region on 5 of 103 scanned pages (5 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/nih-almanac/department-health-human-services-secretaries",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [
    {
     "fingerprint": "16269d5d",
     "html": "<h2 id=\"system-breadcrumb\" class=\"visually-hidden\">Breadcrumb</h2>",
     "selectors": [
      "#system-breadcrumb"
     ]
    },
    {
     "fingerprint": "7c50aba8",
     "html": "<div class=\"grid-container\">",
     "selectors": [
      "#block-herohomepage > .grid-container"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/nih-almanac/department-health-human-services-secretaries",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d25f622d",
   "fingerprint": "98ff321a",
   "rule_id": "heading-order",
   "rule_label": "Heading levels should only increase by one",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 3 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 3,
    "affected_pages_previous": 19
   },
   "frequency": {
    "instances": 3,
    "pages_affected": 3,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Heading levels should only increase by one (WCAG criterion undetermined)",
   "description": "Heading levels should only increase by one. Detected by axe-core rule heading-order on 3 of 103 scanned pages (3 instances).",
   "remediation_tip": "Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule heading-order.",
   "actual_behavior": "Heading levels should only increase by one. Detected by axe-core rule heading-order on 3 of 103 scanned pages (3 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/nih-almanac/department-health-human-services-secretaries",
    "https://nih.gov/about-nih/nih-almanac/leadership/nih-directors"
   ],
   "html_fragments": [
    {
     "fingerprint": "2f2c5b29",
     "html": "<h3>Research for the People</h3>",
     "selectors": [
      ".text-formatted.field--name-field-uswds-body.field--type-text-long > h3:nth-child(1)"
     ]
    },
    {
     "fingerprint": "06c8519e",
     "html": "<h4><strong>Xavier Becerra,</strong>&nbsp;Secretary, HHS</h4>",
     "selectors": [
      "h4"
     ]
    },
    {
     "fingerprint": "09e363c9",
     "html": "<h3 class=\"thumbnail-teaser__heading\">Jay Bhattacharya, M.D., Ph.D.</h3>",
     "selectors": [
      "h3"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/nih-almanac/department-health-human-services-secretaries",
     "count": 1
    },
    {
     "pattern": "/about-nih/nih-almanac/leadership/nih-directors",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-efd91fdd",
   "fingerprint": "12434796",
   "rule_id": "sia-r62",
   "rule_label": "Link in text block is visually distinguishable without color",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r62",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 11
   },
   "frequency": {
    "instances": 23,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Link in text block is visually distinguishable without color (WCAG 1.4.1)",
   "description": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 2 of 103 scanned pages (23 instances).",
   "remediation_tip": "Make links visually distinguishable from surrounding text (not by color alone).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r62",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r62 (WCAG 1.4.1).",
   "actual_behavior": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 2 of 103 scanned pages (23 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without color perception (4.5%), Limited vision (2.4%)."
   }
  },
  {
   "finding_id": "VS-646b1e0b",
   "fingerprint": "afad441e",
   "rule_id": "sia-r66",
   "rule_label": "Text has enhanced contrast",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.6",
   "wcag_name": "Contrast (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r66",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 11
   },
   "frequency": {
    "instances": 105,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Text has enhanced contrast (WCAG 1.4.6)",
   "description": "Text has enhanced contrast. Detected by Siteimprove Alfa rule sia-r66 on 2 of 103 scanned pages (105 instances).",
   "remediation_tip": "Increase text contrast to meet WCAG AAA (7:1).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r66",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r66 (WCAG 1.4.6).",
   "actual_behavior": "Text has enhanced contrast. Detected by Siteimprove Alfa rule sia-r66 on 2 of 103 scanned pages (105 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-2208081b",
   "fingerprint": "40bbca09",
   "rule_id": "sia-r73",
   "rule_label": "Text has minimum contrast ratio of 4.5:1",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r73",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Text has minimum contrast ratio of 4.5:1 (WCAG 1.4.8)",
   "description": "Text has minimum contrast ratio of 4.5:1. Detected by Siteimprove Alfa rule sia-r73 on 2 of 103 scanned pages (6 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r73 (WCAG 1.4.8).",
   "actual_behavior": "Text has minimum contrast ratio of 4.5:1. Detected by Siteimprove Alfa rule sia-r73 on 2 of 103 scanned pages (6 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-cb53cc4d",
   "fingerprint": "1738fa81",
   "rule_id": "sia-r111",
   "rule_label": "Target size is at least 44×44 CSS pixels (Enhanced)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.5",
   "wcag_name": "Target Size (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r111",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 53,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5)",
   "description": "Target size is at least 44×44 CSS pixels (Enhanced). Detected by Siteimprove Alfa rule sia-r111 on 2 of 103 scanned pages (53 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r111 (WCAG 2.5.5).",
   "actual_behavior": "Target size is at least 44×44 CSS pixels (Enhanced). Detected by Siteimprove Alfa rule sia-r111 on 2 of 103 scanned pages (53 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-fa44f293",
   "fingerprint": "a01b2a6c",
   "rule_id": "page-has-heading-one",
   "rule_label": "Page should contain a level-one heading",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Page should contain a level-one heading (WCAG criterion undetermined)",
   "description": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 2 of 103 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule page-has-heading-one.",
   "actual_behavior": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 2 of 103 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih",
    "https://nih.gov/"
   ],
   "html_fragments": [
    {
     "fingerprint": "52e5a688",
     "html": "<html lang=\"en\" dir=\"ltr\" prefix=\"og: https://ogp.me/ns#\" class=\" js\">",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about-nih",
     "count": 1
    },
    {
     "pattern": "/",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-e05344b9",
   "fingerprint": "9d7a222a",
   "rule_id": "sia-r18",
   "rule_label": "aria attribute is permitted for element role",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r18",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "aria attribute is permitted for element role (WCAG criterion undetermined)",
   "description": "aria attribute is permitted for element role. Detected by Siteimprove Alfa rule sia-r18 on 2 of 103 scanned pages (4 instances).",
   "remediation_tip": "Only use ARIA states/properties that are allowed on this element/role.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r18",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r18.",
   "actual_behavior": "aria attribute is permitted for element role. Detected by Siteimprove Alfa rule sia-r18 on 2 of 103 scanned pages (4 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7118fead",
   "fingerprint": "0d932ac9",
   "rule_id": "sia-r61",
   "rule_label": "Form field label is visible",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r61",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Form field label is visible (WCAG criterion undetermined)",
   "description": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 2 of 103 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r61.",
   "actual_behavior": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 2 of 103 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-c18be945",
   "fingerprint": "8634e2fd",
   "rule_id": "sia-r57",
   "rule_label": "Scrolling content can be accessed by keyboard",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r57",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Scrolling content can be accessed by keyboard (WCAG criterion undetermined)",
   "description": "Scrolling content can be accessed by keyboard. Detected by Siteimprove Alfa rule sia-r57 on 2 of 103 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r57.",
   "actual_behavior": "Scrolling content can be accessed by keyboard. Detected by Siteimprove Alfa rule sia-r57 on 2 of 103 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget",
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    },
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3c632d31",
   "fingerprint": "7d010b8c",
   "rule_id": "sia-r64",
   "rule_label": "Element has required owned roles",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r64",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 4
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Element has required owned roles (WCAG 1.3.1)",
   "description": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 1 of 103 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r64",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r64 (WCAG 1.3.1).",
   "actual_behavior": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 1 of 103 scanned pages (1 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   }
  },
  {
   "finding_id": "VS-f054f4a4",
   "fingerprint": "5fa3b5a6",
   "rule_id": "sia-r53",
   "rule_label": "Headings are structured hierarchically",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r53",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 10
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Headings are structured hierarchically (WCAG criterion undetermined)",
   "description": "Headings are structured hierarchically. Detected by Siteimprove Alfa rule sia-r53 on 1 of 103 scanned pages (1 instances).",
   "remediation_tip": "Use headings in a logical, non-skipping order.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r53",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r53.",
   "actual_behavior": "Headings are structured hierarchically. Detected by Siteimprove Alfa rule sia-r53 on 1 of 103 scanned pages (1 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/budget"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/about-nih/budget",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-0066c67d",
   "fingerprint": "67db3700",
   "rule_id": "empty-heading",
   "rule_label": "Headings should not be empty",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "low",
   "rationale": "Minor severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W25",
    "last_observed": "2026-W25",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 6
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 103
   },
   "on_key_page": false,
   "summary": "Headings should not be empty (WCAG criterion undetermined)",
   "description": "Headings should not be empty. Detected by axe-core rule empty-heading on 1 of 103 scanned pages (1 instances).",
   "remediation_tip": "Remove empty headings or give them text. Don't use heading tags for spacing.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule empty-heading.",
   "actual_behavior": "Headings should not be empty. Detected by axe-core rule empty-heading on 1 of 103 scanned pages (1 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://nih.gov/about-nih/organization/nih-leadership"
   ],
   "html_fragments": [
    {
     "fingerprint": "a0aaeb01",
     "html": "<h2>&nbsp;</h2>",
     "selectors": [
      "h2:nth-child(10)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about-nih/organization/nih-leadership",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  }
 ],
 "clusters": {
  "by_wcag_criterion": [
   {
    "cluster_id": "77bde739",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.1",
    "wcag_name": "Use of Color",
    "wcag_level": "A",
    "findings": [
     "VS-8ade3360",
     "VS-efd91fdd"
    ],
    "total_pages_affected": 8,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "0649d9b9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f18df681"
    ],
    "total_pages_affected": 5,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "e08c8d69",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d25f622d"
    ],
    "total_pages_affected": 3,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "71f257a8",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.6",
    "wcag_name": "Contrast (Enhanced)",
    "wcag_level": "AAA",
    "findings": [
     "VS-646b1e0b"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "140fec0b",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.8",
    "wcag_name": "Visual Presentation",
    "wcag_level": "AAA",
    "findings": [
     "VS-2208081b"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b393058c",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.5",
    "wcag_name": "Target Size (Enhanced)",
    "wcag_level": "AAA",
    "findings": [
     "VS-cb53cc4d"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b8f97020",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-fa44f293"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "0c75ddb8",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-e05344b9"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "75cf28e4",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-7118fead"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "36ac08de",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-c18be945"
    ],
    "total_pages_affected": 2,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "423bd52e",
    "type": "wcag_criterion",
    "wcag_sc": "1.3.1",
    "wcag_name": "Info and Relationships",
    "wcag_level": "A",
    "findings": [
     "VS-3c632d31"
    ],
    "total_pages_affected": 1,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b05da4e9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f054f4a4"
    ],
    "total_pages_affected": 1,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "7774d667",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-0066c67d"
    ],
    "total_pages_affected": 1,
    "max_severity": "Minor"
   }
  ],
  "by_url_pattern": [
   {
    "cluster_id": "c3006388",
    "type": "url_pattern",
    "pattern": "/about-nih/budget",
    "findings": [
     "VS-f18df681",
     "VS-d25f622d",
     "VS-efd91fdd",
     "VS-646b1e0b",
     "VS-2208081b",
     "VS-cb53cc4d",
     "VS-e05344b9",
     "VS-7118fead",
     "VS-c18be945",
     "VS-f054f4a4"
    ],
    "total_pages": 10
   },
   {
    "cluster_id": "f357d66b",
    "type": "url_pattern",
    "pattern": "/about-nih/organization/nih-leadership",
    "findings": [
     "VS-f18df681",
     "VS-efd91fdd",
     "VS-646b1e0b",
     "VS-2208081b",
     "VS-cb53cc4d",
     "VS-e05344b9",
     "VS-7118fead",
     "VS-c18be945",
     "VS-3c632d31",
     "VS-0066c67d"
    ],
    "total_pages": 10
   },
   {
    "cluster_id": "385b5c6d",
    "type": "url_pattern",
    "pattern": "/about-nih/nih-almanac/department-health-human-services-secretaries",
    "findings": [
     "VS-f18df681",
     "VS-d25f622d"
    ],
    "total_pages": 2
   }
  ]
 },
 "technology_findings": [],
 "third_party_findings": [],
 "metadata": {
  "generator": "vital-core",
  "schema_version": "0.1",
  "total_pages_scanned": 103,
  "notes": [
   "Healthy pages (no known issues) are intentionally excluded.",
   "Representative examples are used instead of complete occurrence lists.",
   "Fingerprints are stable hashes for tracking recurring patterns over time.",
   "Fragment fingerprints normalize volatile attributes (id, style, data-*) before hashing.",
   "Technology lift values indicate association, not causation.",
   "Confidence reflects sample size: high=10+ affected pages, medium=3-9, low=1-2."
  ]
 }
}