{
 "schema_version": "0.1",
 "site": "data.cms.gov",
 "scan_week": "2026-W30",
 "generated_at": "2026-09-30T18:09:45.802Z",
 "source_files": [
  "docs/reports/data.cms.gov/2026-W30/",
  "data/data.cms.gov/findings.json",
  "data/data.cms.gov/2026-W30/summary.json"
 ],
 "summary": {
  "pages_known": 5449,
  "pages_scanned_this_week": 2715,
  "pages_with_known_issues": 1811,
  "findings": 39,
  "clusters": 29,
  "new_findings": 0,
  "persistent_findings": 37,
  "high_priority_findings": 23
 },
 "top_risks": [
  {
   "finding_id": "VS-c613c153",
   "rule_id": "scrollable-region-focusable",
   "rule_label": "Scrollable region must have keyboard access",
   "severity": "Serious",
   "priority": "p1",
   "trend": "improving",
   "pages_affected": 601,
   "rationale": "Serious severity; affects 601 pages",
   "top_url": "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospice-all-owners/data/q4-2025"
  },
  {
   "finding_id": "VS-fab92378",
   "rule_id": "select-name",
   "rule_label": "Select element must have an accessible name",
   "severity": "Critical",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 127,
   "rationale": "Critical severity; affects 127 pages; persistent across weeks",
   "top_url": "https://data.cms.gov/provider-summary-by-type-of-service/medicare-physician-other-practitioners/medicare-physician-other-practitioners-by-provider/api-docs"
  },
  {
   "finding_id": "VS-be8d563e",
   "rule_id": "color-contrast",
   "rule_label": "Elements must meet minimum color contrast ratio thresholds",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 15,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/provider-data/datasets?theme%5B0%5D=Physician+office+visit+costs"
  },
  {
   "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": "persistent",
   "pages_affected": 12,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/resources/2018-value-modifier-performance-year-2016-methodology"
  },
  {
   "finding_id": "VS-6175596b",
   "rule_id": "listitem",
   "rule_label": "<li> elements must be contained in a <ul> or <ol>",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 10,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/provider-data/topics/doctors-clinicians"
  },
  {
   "finding_id": "VS-fafffee0",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "severity": "Critical",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 8,
   "rationale": "Critical severity; persistent across weeks",
   "top_url": "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool"
  },
  {
   "finding_id": "VS-33841929",
   "rule_id": "label-title-only",
   "rule_label": "Form elements should have a visible label",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 7,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool"
  },
  {
   "finding_id": "VS-ede1e565",
   "rule_id": "role-img-alt",
   "rule_label": "[role=\"img\"] elements must have alternative text",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 5,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug"
  },
  {
   "finding_id": "VS-cc981723",
   "rule_id": "svg-img-alt",
   "rule_label": "<svg> elements with an img role must have alternative text",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 1,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/provider-data"
  },
  {
   "finding_id": "VS-a0bdbdf6",
   "rule_id": "list",
   "rule_label": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 1,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://data.cms.gov/provider-data/datasets?+Gynecology=&keyword%5B%5D=Obstetrics+"
  }
 ],
 "findings": [
  {
   "finding_id": "VS-c613c153",
   "fingerprint": "364ee5cc",
   "rule_id": "scrollable-region-focusable",
   "rule_label": "Scrollable region must have keyboard access",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "2.1.1",
   "wcag_name": "Keyboard",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; affects 601 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 601,
    "affected_pages_previous": 773
   },
   "frequency": {
    "instances": 601,
    "pages_affected": 601,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Scrollable region must have keyboard access (WCAG 2.1.1)",
   "description": "Scrollable region must have keyboard access. Detected by axe-core rule scrollable-region-focusable on 601 of 2715 scanned pages (601 instances).",
   "remediation_tip": "Make scrollable regions keyboard-focusable (tabindex=\"0\") so keyboard users can scroll them.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule scrollable-region-focusable (WCAG 2.1.1).",
   "actual_behavior": "Scrollable region must have keyboard access. Detected by axe-core rule scrollable-region-focusable on 601 of 2715 scanned pages (601 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospice-all-owners/data/q4-2025",
    "https://data.cms.gov/medicare-current-beneficiary-survey-mcbs/income-and-asset-ownership/data",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024"
   ],
   "html_fragments": [
    {
     "fingerprint": "6a7f60e9",
     "html": "<div class=\"tbody-container\">",
     "selectors": [
      ".tbody-container"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/hospice-all-owners/data/q4-2025",
     "count": 1
    },
    {
     "pattern": "/medicare-current-beneficiary-survey-mcbs/income-and-asset-ownership/data",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LR",
      "group": "Limited reach",
      "prevalence": 0.02,
      "percent": "2.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited manipulation/strength (13.0%), Limited reach (2.0%)."
   }
  },
  {
   "finding_id": "VS-fab92378",
   "fingerprint": "56ca23c2",
   "rule_id": "select-name",
   "rule_label": "Select element must have an accessible name",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/select-name?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Critical severity; affects 127 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 127,
    "affected_pages_previous": 129
   },
   "frequency": {
    "instances": 127,
    "pages_affected": 127,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Select element must have an accessible name (WCAG 4.1.2)",
   "description": "Select element must have an accessible name. Detected by axe-core rule select-name on 127 of 2715 scanned pages (127 instances).",
   "remediation_tip": "Give the <select> an accessible name via a <label> or aria-label.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/select-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule select-name (WCAG 4.1.2).",
   "actual_behavior": "Select element must have an accessible name. Detected by axe-core rule select-name on 127 of 2715 scanned pages (127 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-physician-other-practitioners/medicare-physician-other-practitioners-by-provider/api-docs",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospital-enrollments/api-docs",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-service-type-reports/medicare-telehealth-trends/api-docs"
   ],
   "html_fragments": [
    {
     "fingerprint": "a8ab0050",
     "html": "<select name=\"version-select\" class=\"form-control\">",
     "selectors": [
      ".form-control"
     ]
    },
    {
     "fingerprint": "22a2f535",
     "html": "<select name=\"version-select\" class=\"form-control\"><option value=\"f5067d0e-2f76-4014-967f-d69aea60d641\">Q4 2025</option></select>",
     "selectors": [
      ".form-control"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-physician-other-practitioners/medicare-physician-other-practitioners-by-provider/api-docs",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/hospital-enrollments/api-docs",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-use-and-payments/medicare-medicaid-service-type-reports/medicare-telehealth-trends/api-docs",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-be8d563e",
   "fingerprint": "1820bc84",
   "rule_id": "color-contrast",
   "rule_label": "Elements must meet minimum color contrast ratio thresholds",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 15,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 133,
    "pages_affected": 15,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Elements must meet minimum color contrast ratio thresholds (WCAG 1.4.3)",
   "description": "Elements must meet minimum color contrast ratio thresholds. Detected by axe-core rule color-contrast on 15 of 2715 scanned pages (133 instances).",
   "remediation_tip": "Increase the contrast between text and its background to at least 4.5:1 (3:1 for large text). Check both light and dark modes.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule color-contrast (WCAG 1.4.3).",
   "actual_behavior": "Elements must meet minimum color contrast ratio thresholds. Detected by axe-core rule color-contrast on 15 of 2715 scanned pages (133 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/datasets?theme%5B0%5D=Physician+office+visit+costs",
    "https://data.cms.gov/provider-data/datasets?keyword%5B%5D=Nephrology",
    "https://data.cms.gov/provider-data/datasets?keyword%5B%5D=Hospice+and+Palliative+Care"
   ],
   "html_fragments": [
    {
     "fingerprint": "33a1bbb7",
     "html": "<a aria-describedby=\"tooltip-trigger--325\" class=\"ds-c-tooltip__trigger dkan-disabled-link\" tabindex=\"0\">",
     "selectors": [
      "a[aria-describedby=\"tooltip-trigger--325\"]"
     ]
    },
    {
     "fingerprint": "30e13013",
     "html": "<a aria-describedby=\"tooltip-trigger--326\" class=\"ds-c-tooltip__trigger dkan-disabled-link\" tabindex=\"0\">",
     "selectors": [
      "a[aria-describedby=\"tooltip-trigger--326\"]"
     ]
    },
    {
     "fingerprint": "c916c849",
     "html": "<a aria-describedby=\"tooltip-trigger--327\" class=\"ds-c-tooltip__trigger dkan-disabled-link\" tabindex=\"0\">",
     "selectors": [
      "a[aria-describedby=\"tooltip-trigger--327\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/datasets",
     "count": 10
    },
    {
     "pattern": "/provider-characteristics/medicare-provider-supplier-enrollment/pending-initial-logging-and-tracking-non-physicians/data/june-18-2026",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/medicare-provider-supplier-enrollment/order-and-referring/data/june-2-2026",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited vision (2.4%), Without color perception (4.5%)."
   }
  },
  {
   "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": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 12,
    "affected_pages_previous": 11
   },
   "frequency": {
    "instances": 94,
    "pages_affected": 12,
    "total_pages_scanned": 2715
   },
   "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 12 of 2715 scanned pages (94 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 12 of 2715 scanned pages (94 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/resources/2018-value-modifier-performance-year-2016-methodology",
    "https://data.cms.gov/resources/independent-dispute-resolution-methodology",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/physiciansupplier-procedure-summary"
   ],
   "html_fragments": [
    {
     "fingerprint": "0947abca",
     "html": "<a href=\"https://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/PhysicianFeedbackProgram/Downloads/Detailed-Methodology-for-the-2018-Value-Modifier-and-2016-Quality-and-Resource-Use-Report-.pdf",
     "selectors": [
      "#RichTextField-5c28484f-37b5-4d2f-84e7-78092d3462c5 > p > a[target=\"_blank\"][rel=\"noopener noreferrer\"]"
     ]
    },
    {
     "fingerprint": "b92c1979",
     "html": "<a href=\"https://www.cms.gov/files/document/faqs-%20part-62.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">FAQs about Consolidated Appropriations Act, 2021 Implementation Part 62</a>",
     "selectors": [
      "p:nth-child(2) > a[target=\"_blank\"][rel=\"noopener noreferrer\"]:nth-child(2)"
     ]
    },
    {
     "fingerprint": "a5a8d756",
     "html": "<a href=\"https://www.cms.gov/files/document/faqs-part-%2067.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">FAQs about Consolidated Appropriations Act, 2021 Implementation Part 67</a>",
     "selectors": [
      "p:nth-child(2) > a[target=\"_blank\"][rel=\"noopener noreferrer\"]:nth-child(3)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/resources/{id}-value-modifier-performance-year-2016-methodology",
     "count": 1
    },
    {
     "pattern": "/resources/independent-dispute-resolution-methodology",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-use-and-payments/physiciansupplier-procedure-summary",
     "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-6175596b",
   "fingerprint": "7ac6b8df",
   "rule_id": "listitem",
   "rule_label": "<li> elements must be contained in a <ul> or <ol>",
   "engine": "axe-core",
   "tool": "axe-core",
   "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://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 10,
    "affected_pages_previous": 9
   },
   "frequency": {
    "instances": 43,
    "pages_affected": 10,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "<li> elements must be contained in a <ul> or <ol> (WCAG 1.3.1)",
   "description": "<li> elements must be contained in a <ul> or <ol>. Detected by axe-core rule listitem on 10 of 2715 scanned pages (43 instances).",
   "remediation_tip": "<li> must be inside a <ul> or <ol>.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule listitem (WCAG 1.3.1).",
   "actual_behavior": "<li> elements must be contained in a <ul> or <ol>. Detected by axe-core rule listitem on 10 of 2715 scanned pages (43 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/topics/doctors-clinicians",
    "https://data.cms.gov/provider-data/topics/long-term-care-hospitals",
    "https://data.cms.gov/provider-data/topics/physician-office-visit-costs"
   ],
   "html_fragments": [
    {
     "fingerprint": "ea99b522",
     "html": "<li class=\"dc-c-search-list-item ds-u-padding-top--3\">",
     "selectors": [
      ".dc-c-search-list-item.ds-u-padding-top--3:nth-child(1)",
      ".dc-c-search-list-item.ds-u-padding-top--3:nth-child(2)",
      ".dc-c-search-list-item.ds-u-padding-top--3:nth-child(3)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/topics/doctors-clinicians",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/long-term-care-hospitals",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/physician-office-visit-costs",
     "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-fafffee0",
   "fingerprint": "d5e15238",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 8,
    "affected_pages_previous": 7
   },
   "frequency": {
    "instances": 14,
    "pages_affected": 8,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Form elements must have labels (WCAG 4.1.2)",
   "description": "Form elements must have labels. Detected by axe-core rule label on 8 of 2715 scanned pages (14 instances).",
   "remediation_tip": "Associate every form control with a <label> (via for/id) or an aria-label/aria-labelledby.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule label (WCAG 4.1.2).",
   "actual_behavior": "Form elements must have labels. Detected by axe-core rule label on 8 of 2715 scanned pages (14 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool",
    "https://data.cms.gov/tools/provider-opt-out-affidavits-look-up-tool",
    "https://data.cms.gov/tools/market-saturation-utilization-state-county-mapping-tool"
   ],
   "html_fragments": [
    {
     "fingerprint": "7c610ec4",
     "html": "<input class=\"InteractiveToolsSear...\" autocapitalize=\"none\" autocomplete=\"off\" autocorrect=\"off\" id=\"react-select-2-input\" spellcheck=\"false\" tabindex=\"0\" type=\"text\" aria-autocomplete=\"list\" aria-ex",
     "selectors": [
      "#react-select-2-input",
      "#react-select-3-input",
      "#react-select-4-input"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tools/medicare-part-d-prescriber-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/provider-opt-out-affidavits-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/market-saturation-utilization-state-county-mapping-tool",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-33841929",
   "fingerprint": "e18c0475",
   "rule_id": "label-title-only",
   "rule_label": "Form elements should have a visible label",
   "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/label-title-only?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 7,
    "affected_pages_previous": 6
   },
   "frequency": {
    "instances": 11,
    "pages_affected": 7,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Form elements should have a visible label (WCAG criterion undetermined)",
   "description": "Form elements should have a visible label. Detected by axe-core rule label-title-only on 7 of 2715 scanned pages (11 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label-title-only?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule label-title-only.",
   "actual_behavior": "Form elements should have a visible label. Detected by axe-core rule label-title-only on 7 of 2715 scanned pages (11 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool",
    "https://data.cms.gov/tools/provider-opt-out-affidavits-look-up-tool",
    "https://data.cms.gov/tools/market-saturation-utilization-state-county-mapping-tool"
   ],
   "html_fragments": [
    {
     "fingerprint": "7c610ec4",
     "html": "<input class=\"InteractiveToolsSear...\" autocapitalize=\"none\" autocomplete=\"off\" autocorrect=\"off\" id=\"react-select-2-input\" spellcheck=\"false\" tabindex=\"0\" type=\"text\" aria-autocomplete=\"list\" aria-ex",
     "selectors": [
      "#react-select-2-input",
      "#react-select-3-input",
      "#react-select-4-input"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tools/medicare-part-d-prescriber-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/provider-opt-out-affidavits-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/market-saturation-utilization-state-county-mapping-tool",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-ede1e565",
   "fingerprint": "67690094",
   "rule_id": "role-img-alt",
   "rule_label": "[role=\"img\"] elements must have alternative text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/role-img-alt?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 5,
    "affected_pages_previous": 5
   },
   "frequency": {
    "instances": 14,
    "pages_affected": 5,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "[role=\"img\"] elements must have alternative text (WCAG 1.1.1)",
   "description": "[role=\"img\"] elements must have alternative text. Detected by axe-core rule role-img-alt on 5 of 2715 scanned pages (14 instances).",
   "remediation_tip": "Elements with role=\"img\" need an accessible name via aria-label or aria-labelledby.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/role-img-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule role-img-alt (WCAG 1.1.1).",
   "actual_behavior": "[role=\"img\"] elements must have alternative text. Detected by axe-core rule role-img-alt on 5 of 2715 scanned pages (14 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug",
    "https://data.cms.gov/",
    "https://data.cms.gov/beta/provider-characteristics/medicare-provider-supplier-enrollment/medicare-provider-and-supplier-taxonomy-crosswalk"
   ],
   "html_fragments": [
    {
     "fingerprint": "cae4ede7",
     "html": "<canvas role=\"img\" height=\"500\" width=\"768\" style=\"display: block; box-sizing: border-box; height: 500px; width: 768px;\"></canvas>",
     "selectors": [
      "canvas"
     ]
    },
    {
     "fingerprint": "b7ec313f",
     "html": "<canvas role=\"img\" height=\"239\" width=\"239\" style=\"display: block; box-sizing: border-box; height: 239px; width: 239px;\"></canvas>",
     "selectors": [
      ".Charts__Chart:nth-child(1) > .Chart__wrapper > canvas[height=\"239\"][width=\"239\"]",
      ".Charts__Chart:nth-child(2) > .Chart__wrapper > canvas[height=\"239\"][width=\"239\"]"
     ]
    },
    {
     "fingerprint": "7e6eb840",
     "html": "<canvas role=\"img\" height=\"761\" width=\"640\" style=\"display: block; box-sizing: border-box; height: 761px; width: 640px;\"></canvas>",
     "selectors": [
      "canvas[height=\"761\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug",
     "count": 1
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/beta/provider-characteristics/medicare-provider-supplier-enrollment/medicare-provider-and-supplier-taxonomy-crosswalk",
     "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-cc981723",
   "fingerprint": "42b55265",
   "rule_id": "svg-img-alt",
   "rule_label": "<svg> elements with an img role must have alternative text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/svg-img-alt?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 10,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "<svg> elements with an img role must have alternative text (WCAG 1.1.1)",
   "description": "<svg> elements with an img role must have alternative text. Detected by axe-core rule svg-img-alt on 1 of 2715 scanned pages (10 instances).",
   "remediation_tip": "Give the <svg> with an image role an accessible name (<title> or aria-label).",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/svg-img-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule svg-img-alt (WCAG 1.1.1).",
   "actual_behavior": "<svg> elements with an img role must have alternative text. Detected by axe-core rule svg-img-alt on 1 of 2715 scanned pages (10 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data"
   ],
   "html_fragments": [
    {
     "fingerprint": "f73dc351",
     "html": "<path role=\"graphics-symbol\" fill=\"#7350A3\" d=\"M2,-154.154A154.167,154.167,0,0,1,114.721,-102.987L13.694,-14.633A20.042,20.042,0,0,0,2,-19.942Z\" style=\"cursor: initial;\"></path>",
     "selectors": [
      "path[fill=\"#7350A3\"]"
     ]
    },
    {
     "fingerprint": "42518dd7",
     "html": "<path role=\"graphics-symbol\" fill=\"#0F8A7E\" d=\"M117.678,-99.596A154.167,154.167,0,0,1,153.479,14.55L20.041,0.151A20.042,20.042,0,0,0,16.365,-11.569Z\" style=\"cursor: initial;\"></path>",
     "selectors": [
      "path[fill=\"#0F8A7E\"]"
     ]
    },
    {
     "fingerprint": "e3f1839b",
     "html": "<path role=\"graphics-symbol\" fill=\"#9685C5\" d=\"M152.991,19.005A154.167,154.167,0,0,1,100.385,117.005L14.322,14.019A20.042,20.042,0,0,0,19.599,4.189Z\" style=\"cursor: initial;\"></path>",
     "selectors": [
      "path[fill=\"#9685C5\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data",
     "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-a0bdbdf6",
   "fingerprint": "ca0fa40f",
   "rule_id": "list",
   "rule_label": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements",
   "engine": "axe-core",
   "tool": "axe-core",
   "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://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements (WCAG 1.3.1)",
   "description": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements. Detected by axe-core rule list on 1 of 2715 scanned pages (1 instances).",
   "remediation_tip": "Use <ul>/<ol> with only <li> children for lists; don't fake lists with <div>s.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule list (WCAG 1.3.1).",
   "actual_behavior": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements. Detected by axe-core rule list on 1 of 2715 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://data.cms.gov/provider-data/datasets?+Gynecology=&keyword%5B%5D=Obstetrics+"
   ],
   "html_fragments": [
    {
     "fingerprint": "8c2fe915",
     "html": "<ol class=\"dc-dataset-search-list ds-u-padding--0 ds-u-margin-top--0 ds-u-margin-bottom--4 ds-u-display--block\" data-testid=\"results-list\">",
     "selectors": [
      "ol[data-testid=\"results-list\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/datasets",
     "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-ebb1c464",
   "fingerprint": "62f3ac21",
   "rule_id": "aria-prohibited-attr",
   "rule_label": "Elements must only use permitted ARIA attributes",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-prohibited-attr?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Elements must only use permitted ARIA attributes (WCAG 4.1.2)",
   "description": "Elements must only use permitted ARIA attributes. Detected by axe-core rule aria-prohibited-attr on 1 of 2715 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-prohibited-attr?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-prohibited-attr (WCAG 4.1.2).",
   "actual_behavior": "Elements must only use permitted ARIA attributes. Detected by axe-core rule aria-prohibited-attr on 1 of 2715 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://data.cms.gov/medicare-shared-savings-program/accountable-care-organizations"
   ],
   "html_fragments": [
    {
     "fingerprint": "f10983d8",
     "html": "<div class=\"ExpandIcon__wrapper\" title=\"Expand\" aria-label=\"Expand\">",
     "selectors": [
      ".ExpandIcon__wrapper"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/medicare-shared-savings-program/accountable-care-organizations",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-5c82bd60",
   "fingerprint": "c0b3c60a",
   "rule_id": "aria-command-name",
   "rule_label": "ARIA commands must have an accessible name",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "ARIA commands must have an accessible name (WCAG 4.1.2)",
   "description": "ARIA commands must have an accessible name. Detected by axe-core rule aria-command-name on 1 of 2715 scanned pages (1 instances).",
   "remediation_tip": "Give the command (button/link/menuitem) an accessible name via text or aria-label.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-command-name (WCAG 4.1.2).",
   "actual_behavior": "ARIA commands must have an accessible name. Detected by axe-core rule aria-command-name on 1 of 2715 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://data.cms.gov/provider-data/birthing-friendly-hospitals-and-health-systems"
   ],
   "html_fragments": [
    {
     "fingerprint": "00154a67",
     "html": "<div class=\"p-dropdown-trigger\" role=\"button\" aria-haspopup=\"listbox\" aria-expanded=\"false\" data-pc-section=\"trigger\">",
     "selectors": [
      ".p-dropdown-trigger"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/birthing-friendly-hospitals-and-health-systems",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-30db094d",
   "fingerprint": "c8a85210",
   "rule_id": "landmark-banner-is-top-level",
   "rule_label": "Banner landmark should not be contained in another landmark",
   "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/landmark-banner-is-top-level?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 1349 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1349,
    "affected_pages_previous": 1502
   },
   "frequency": {
    "instances": 1349,
    "pages_affected": 1349,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Banner landmark should not be contained in another landmark (WCAG criterion undetermined)",
   "description": "Banner landmark should not be contained in another landmark. Detected by axe-core rule landmark-banner-is-top-level on 1349 of 2715 scanned pages (1349 instances).",
   "remediation_tip": "Put the banner landmark (<header>) at the top level, not nested inside another landmark.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-banner-is-top-level?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-banner-is-top-level.",
   "actual_behavior": "Banner landmark should not be contained in another landmark. Detected by axe-core rule landmark-banner-is-top-level on 1349 of 2715 scanned pages (1349 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospice-all-owners/data/q4-2025",
    "https://data.cms.gov/resources/mcbs-summary-tables-glossary",
    "https://data.cms.gov/medicare-current-beneficiary-survey-mcbs/income-and-asset-ownership/data"
   ],
   "html_fragments": [
    {
     "fingerprint": "469795af",
     "html": "<header class=\"Header\" style=\"position: sticky;\">",
     "selectors": [
      ".Header"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/hospice-all-owners/data/q4-2025",
     "count": 1
    },
    {
     "pattern": "/resources/mcbs-summary-tables-glossary",
     "count": 1
    },
    {
     "pattern": "/medicare-current-beneficiary-survey-mcbs/income-and-asset-ownership/data",
     "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": "p2",
   "confidence": "high",
   "rationale": "affects 1204 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1204,
    "affected_pages_previous": 1281
   },
   "frequency": {
    "instances": 17532,
    "pages_affected": 1204,
    "total_pages_scanned": 2715
   },
   "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 1204 of 2715 scanned pages (17532 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 1204 of 2715 scanned pages (17532 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/dataset/ijh5-nb2v?page=2352",
    "https://data.cms.gov/provider-data/datasets?theme%5B0%5D=Physician+office+visit+costs",
    "https://data.cms.gov/provider-data/datasets?keyword%5B%5D=Promoting+Interoperability"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data/datasets",
     "count": 4
    },
    {
     "pattern": "/provider-data/dataset/ijh5-nb2v",
     "count": 1
    },
    {
     "pattern": "/provider-data/dataset/{id}jpm-sxkc",
     "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": "p2",
   "confidence": "high",
   "rationale": "affects 1187 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 1187,
    "affected_pages_previous": 1278
   },
   "frequency": {
    "instances": 29083,
    "pages_affected": 1187,
    "total_pages_scanned": 2715
   },
   "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 1187 of 2715 scanned pages (29083 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 1187 of 2715 scanned pages (29083 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/dataset/ijh5-nb2v?page=2352",
    "https://data.cms.gov/provider-data/datasets?theme%5B0%5D=Physician+office+visit+costs",
    "https://data.cms.gov/provider-data/datasets?keyword%5B%5D=Promoting+Interoperability"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data/datasets",
     "count": 4
    },
    {
     "pattern": "/provider-data/dataset/ijh5-nb2v",
     "count": 1
    },
    {
     "pattern": "/provider-data/dataset/{id}jpm-sxkc",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 708 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 708,
    "affected_pages_previous": 771
   },
   "frequency": {
    "instances": 21693,
    "pages_affected": 708,
    "total_pages_scanned": 2715
   },
   "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 708 of 2715 scanned pages (21693 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 708 of 2715 scanned pages (21693 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care/long-term-care-facility-characteristics",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-inpatient-hospitals/medicare-inpatient-hospitals-by-provider"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/datasets",
     "count": 2
    },
    {
     "pattern": "/quality-of-care/long-term-care-facility-characteristics",
     "count": 1
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-aa242c2d",
   "fingerprint": "9bf7674d",
   "rule_id": "sia-r87",
   "rule_label": "First focusable element is link to main content",
   "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-r87",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 708 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 708,
    "affected_pages_previous": 771
   },
   "frequency": {
    "instances": 708,
    "pages_affected": 708,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "First focusable element is link to main content (WCAG criterion undetermined)",
   "description": "First focusable element is link to main content. Detected by Siteimprove Alfa rule sia-r87 on 708 of 2715 scanned pages (708 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r87",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r87.",
   "actual_behavior": "First focusable element is link to main content. Detected by Siteimprove Alfa rule sia-r87 on 708 of 2715 scanned pages (708 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care/long-term-care-facility-characteristics",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-inpatient-hospitals/medicare-inpatient-hospitals-by-provider"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/datasets",
     "count": 2
    },
    {
     "pattern": "/quality-of-care/long-term-care-facility-characteristics",
     "count": 1
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f7e99f4b",
   "fingerprint": "863d1000",
   "rule_id": "sia-r69",
   "rule_label": "Text has sufficient color contrast (Enhanced)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r69",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 691 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 691,
    "affected_pages_previous": 768
   },
   "frequency": {
    "instances": 8550,
    "pages_affected": 691,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Text has sufficient color contrast (Enhanced) (WCAG 1.4.3)",
   "description": "Text has sufficient color contrast (Enhanced). Detected by Siteimprove Alfa rule sia-r69 on 691 of 2715 scanned pages (8550 instances).",
   "remediation_tip": "Increase text contrast to meet WCAG AA (4.5:1, or 3:1 for large text).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r69",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r69 (WCAG 1.4.3).",
   "actual_behavior": "Text has sufficient color contrast (Enhanced). Detected by Siteimprove Alfa rule sia-r69 on 691 of 2715 scanned pages (8550 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care/long-term-care-facility-characteristics",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-inpatient-hospitals/medicare-inpatient-hospitals-by-provider"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/datasets",
     "count": 2
    },
    {
     "pattern": "/quality-of-care/long-term-care-facility-characteristics",
     "count": 1
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited vision (2.4%), Without color perception (4.5%)."
   }
  },
  {
   "finding_id": "VS-f6cf30ff",
   "fingerprint": "f8fe8a49",
   "rule_id": "sia-r17",
   "rule_label": "aria-hidden element does not contain focusable elements",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r17",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 381 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 381,
    "affected_pages_previous": 384
   },
   "frequency": {
    "instances": 1853,
    "pages_affected": 381,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "aria-hidden element does not contain focusable elements (WCAG 4.1.2)",
   "description": "aria-hidden element does not contain focusable elements. Detected by Siteimprove Alfa rule sia-r17 on 381 of 2715 scanned pages (1853 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r17 (WCAG 4.1.2).",
   "actual_behavior": "aria-hidden element does not contain focusable elements. Detected by Siteimprove Alfa rule sia-r17 on 381 of 2715 scanned pages (1853 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/dataset/ijh5-nb2v?page=2352",
    "https://data.cms.gov/provider-data/dataset/6jpm-sxkc?page=3",
    "https://data.cms.gov/provider-data/dataset/covid-19_hcp"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data/dataset/ijh5-nb2v",
     "count": 1
    },
    {
     "pattern": "/provider-data/dataset/{id}jpm-sxkc",
     "count": 1
    },
    {
     "pattern": "/provider-data/dataset/covid-19_hcp",
     "count": 1
    }
   ],
   "associated_technologies": [
    {
     "technology": "Drupal",
     "lift": 2.53,
     "pages_with_both": 37
    },
    {
     "technology": "PHP",
     "lift": 2.53,
     "pages_with_both": 37
    },
    {
     "technology": "jQuery CDN",
     "lift": 2.5,
     "pages_with_both": 37
    }
   ],
   "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 304 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 304,
    "affected_pages_previous": 315
   },
   "frequency": {
    "instances": 370,
    "pages_affected": 304,
    "total_pages_scanned": 2715
   },
   "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 304 of 2715 scanned pages (370 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 304 of 2715 scanned pages (370 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-physician-other-practitioners/medicare-physician-other-practitioners-by-provider/api-docs",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospital-enrollments/api-docs",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-service-type-reports/medicare-telehealth-trends/api-docs"
   ],
   "html_fragments": [
    {
     "fingerprint": "b833e270",
     "html": "<h3>Dataset Information</h3>",
     "selectors": [
      ".apiDocsContainer.container:nth-child(1) > .row > .col > h3"
     ]
    },
    {
     "fingerprint": "cd41f807",
     "html": "<h5 class=\"typeface-05-h5-desktop-regular-white MoreTopicCarouselCard__count\">1 Datasets</h5>",
     "selectors": [
      "div[aria-label=\"Open COVID-19\"] > h5"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/datasets",
     "count": 5
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-physician-other-practitioners/medicare-physician-other-practitioners-by-provider/api-docs",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/hospital-enrollments/api-docs",
     "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": "p2",
   "confidence": "high",
   "rationale": "affects 215 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 215,
    "affected_pages_previous": 199
   },
   "frequency": {
    "instances": 850,
    "pages_affected": 215,
    "total_pages_scanned": 2715
   },
   "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 215 of 2715 scanned pages (850 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 215 of 2715 scanned pages (850 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care/long-term-care-facility-characteristics",
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-inpatient-hospitals/medicare-inpatient-hospitals-by-provider",
    "https://data.cms.gov/cms-innovation-center-programs/cms-innovation-models-overview/innovation-center-model-summary-information"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/quality-of-care/long-term-care-facility-characteristics",
     "count": 1
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-inpatient-hospitals/medicare-inpatient-hospitals-by-provider",
     "count": 1
    },
    {
     "pattern": "/cms-innovation-center-programs/cms-innovation-models-overview/innovation-center-model-summary-information",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 151 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 151,
    "affected_pages_previous": 153
   },
   "frequency": {
    "instances": 180,
    "pages_affected": 151,
    "total_pages_scanned": 2715
   },
   "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 151 of 2715 scanned pages (180 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 151 of 2715 scanned pages (180 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/api-docs",
    "https://data.cms.gov/cms-innovation-center-programs/accountable-care-models/aco-reach-providers/api-docs"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/datasets",
     "count": 5
    },
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/api-docs",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-a48e6078",
   "fingerprint": "2ccef0fa",
   "rule_id": "sia-r8",
   "rule_label": "Form field has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r8",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 77,
    "affected_pages_previous": 61
   },
   "frequency": {
    "instances": 81,
    "pages_affected": 77,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Form field has accessible name (WCAG 4.1.2)",
   "description": "Form field has accessible name. Detected by Siteimprove Alfa rule sia-r8 on 77 of 2715 scanned pages (81 instances).",
   "remediation_tip": "Associate the form field with a label.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r8",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r8 (WCAG 4.1.2).",
   "actual_behavior": "Form field has accessible name. Detected by Siteimprove Alfa rule sia-r8 on 77 of 2715 scanned pages (81 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
    "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/api-docs"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-summary-by-type-of-service/medicare-outpatient-hospitals/medicare-outpatient-hospitals-by-provider-and-service/api-docs",
     "count": 1
    },
    {
     "pattern": "/tools/medicare-part-d-prescriber-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/api-docs",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-fbf54eba",
   "fingerprint": "773d6316",
   "rule_id": "sia-r74",
   "rule_label": "Link is distinguishable without relying on color",
   "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-r74",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 26,
    "affected_pages_previous": 29
   },
   "frequency": {
    "instances": 26,
    "pages_affected": 26,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Link is distinguishable without relying on color (WCAG 1.4.8)",
   "description": "Link is distinguishable without relying on color. Detected by Siteimprove Alfa rule sia-r74 on 26 of 2715 scanned pages (26 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r74",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r74 (WCAG 1.4.8).",
   "actual_behavior": "Link is distinguishable without relying on color. Detected by Siteimprove Alfa rule sia-r74 on 26 of 2715 scanned pages (26 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools/medicare-part-d-prescriber-look-up-tool",
    "https://data.cms.gov/tools/medicare-part-d-drug-spending-dashboard",
    "https://data.cms.gov/tools/provider-opt-out-affidavits-look-up-tool"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tools/medicare-part-d-prescriber-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/medicare-part-d-drug-spending-dashboard",
     "count": 1
    },
    {
     "pattern": "/tools/provider-opt-out-affidavits-look-up-tool",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d6097011",
   "fingerprint": "b46c5395",
   "rule_id": "sia-r68",
   "rule_label": "Presentational children of an element are not focusable",
   "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-r68",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 22,
    "affected_pages_previous": 15
   },
   "frequency": {
    "instances": 22,
    "pages_affected": 22,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Presentational children of an element are not focusable (WCAG 1.3.1)",
   "description": "Presentational children of an element are not focusable. Detected by Siteimprove Alfa rule sia-r68 on 22 of 2715 scanned pages (22 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r68",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r68 (WCAG 1.3.1).",
   "actual_behavior": "Presentational children of an element are not focusable. Detected by Siteimprove Alfa rule sia-r68 on 22 of 2715 scanned pages (22 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/cms-innovation-center-programs/cms-innovation-models-overview/innovation-center-model-summary-information",
    "https://data.cms.gov/summary-statistics-on-beneficiary-enrollment/health-insurance-marketplace/health-insurance-exchanges-monthly-effectuated-enrollment",
    "https://data.cms.gov/cms-innovation-center-programs/disease-episode-based-payment-models/medicare-alternative-payment-model-adoption"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/cms-innovation-center-programs/cms-innovation-models-overview/innovation-center-model-summary-information",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-beneficiary-enrollment/health-insurance-marketplace/health-insurance-exchanges-monthly-effectuated-enrollment",
     "count": 1
    },
    {
     "pattern": "/cms-innovation-center-programs/disease-episode-based-payment-models/medicare-alternative-payment-model-adoption",
     "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-179ad9b3",
   "fingerprint": "0e001fcc",
   "rule_id": "sia-r113",
   "rule_label": "Target size is at least 24×24 CSS pixels or has spacing (Minimum)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.8",
   "wcag_name": "Target Size (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.2",
   "wcag_category": "WCAG 2.2 AA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r113",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 21,
    "affected_pages_previous": 18
   },
   "frequency": {
    "instances": 62,
    "pages_affected": 21,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Target size is at least 24×24 CSS pixels or has spacing (Minimum) (WCAG 2.5.8)",
   "description": "Target size is at least 24×24 CSS pixels or has spacing (Minimum). Detected by Siteimprove Alfa rule sia-r113 on 21 of 2715 scanned pages (62 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r113",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r113 (WCAG 2.5.8).",
   "actual_behavior": "Target size is at least 24×24 CSS pixels or has spacing (Minimum). Detected by Siteimprove Alfa rule sia-r113 on 21 of 2715 scanned pages (62 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/resources/medicare-part-d-prescribers-by-provider-and-drug-data-dictionary",
    "https://data.cms.gov/resources/medicare-part-b-spending-by-drug-data-dictionary",
    "https://data.cms.gov/resources/opt-out-affidavits-methodology"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/resources/medicare-part-d-prescribers-by-provider-and-drug-data-dictionary",
     "count": 1
    },
    {
     "pattern": "/resources/medicare-part-b-spending-by-drug-data-dictionary",
     "count": 1
    },
    {
     "pattern": "/resources/opt-out-affidavits-methodology",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LR",
      "group": "Limited reach",
      "prevalence": 0.02,
      "percent": "2.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited manipulation/strength (13.0%), Limited reach (2.0%), Limited vision (2.4%)."
   }
  },
  {
   "finding_id": "VS-8806389c",
   "fingerprint": "ffb2ae06",
   "rule_id": "landmark-unique",
   "rule_label": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c",
   "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/landmark-unique?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 18,
    "affected_pages_previous": 24
   },
   "frequency": {
    "instances": 18,
    "pages_affected": 18,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c (WCAG criterion undetermined)",
   "description": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c. Detected by axe-core rule landmark-unique on 18 of 2715 scanned pages (18 instances).",
   "remediation_tip": "When a landmark role/type repeats (e.g. two <nav>s), give each a distinct accessible name with aria-label or aria-labelledby (e.g. \"Primary\" and \"Footer\" navigation) so screen-reader users can tell them apart.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-unique?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-unique.",
   "actual_behavior": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c. Detected by axe-core rule landmark-unique on 18 of 2715 scanned pages (18 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools/medicare-part-d-drug-spending-dashboard",
    "https://data.cms.gov/tools/provider-opt-out-affidavits-look-up-tool",
    "https://data.cms.gov/tools/medicaid-managed-care-dashboard"
   ],
   "html_fragments": [
    {
     "fingerprint": "56708b05",
     "html": "<nav aria-label=\"breadcrumb\" class=\"DatasetHero__breadcrumb desktop\">",
     "selectors": [
      ".desktop"
     ]
    },
    {
     "fingerprint": "91515cf3",
     "html": "<div class=\"simplebar-content-wrapper\" tabindex=\"0\" role=\"region\" aria-label=\"scrollable content\" style=\"height: auto; overflow: hidden;\">",
     "selectors": [
      ".ChartScrollableWrapper > .simplebar-wrapper > .simplebar-mask > .simplebar-offset > .simplebar-content-wrapper[role=\"region\"][aria-label=\"scrollable content\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tools/medicare-part-d-drug-spending-dashboard",
     "count": 1
    },
    {
     "pattern": "/tools/provider-opt-out-affidavits-look-up-tool",
     "count": 1
    },
    {
     "pattern": "/tools/medicaid-managed-care-dashboard",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7fbb8b20",
   "fingerprint": "79bb1ee9",
   "rule_id": "sia-r59",
   "rule_label": "Element with orientation is not locked",
   "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-r59",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W28",
    "last_observed": "2026-W30",
    "weeks_observed": 3,
    "affected_pages_current": 17,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 17,
    "pages_affected": 17,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Element with orientation is not locked (WCAG criterion undetermined)",
   "description": "Element with orientation is not locked. Detected by Siteimprove Alfa rule sia-r59 on 17 of 2715 scanned pages (17 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r59",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r59.",
   "actual_behavior": "Element with orientation is not locked. Detected by Siteimprove Alfa rule sia-r59 on 17 of 2715 scanned pages (17 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment/pending-initial-logging-and-tracking-physicians/data/june-2-2026",
    "https://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment/order-and-referring/data/june-23-2026",
    "https://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment/fiscal-intermediary-shared-system-attending-and-rendering/data/june-16-2026"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-characteristics/medicare-provider-supplier-enrollment/pending-initial-logging-and-tracking-physicians/data/june-2-2026",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/medicare-provider-supplier-enrollment/order-and-referring/data/june-23-2026",
     "count": 1
    },
    {
     "pattern": "/provider-characteristics/medicare-provider-supplier-enrollment/fiscal-intermediary-shared-system-attending-and-rendering/data/june-16-2026",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-2cd767ca",
   "fingerprint": "3123e4f3",
   "rule_id": "sia-r78",
   "rule_label": "Table header has scope",
   "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-r78",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 7,
    "affected_pages_previous": 10
   },
   "frequency": {
    "instances": 31,
    "pages_affected": 7,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Table header has scope (WCAG criterion undetermined)",
   "description": "Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 7 of 2715 scanned pages (31 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r78.",
   "actual_behavior": "Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 7 of 2715 scanned pages (31 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care",
    "https://data.cms.gov/",
    "https://data.cms.gov/summary-statistics-on-provider-enrollment"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/quality-of-care",
     "count": 1
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-provider-enrollment",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-a2a3dffb",
   "fingerprint": "54883093",
   "rule_id": "sia-r90",
   "rule_label": "Component with same name serves same purpose",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r90",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 5,
    "affected_pages_previous": 6
   },
   "frequency": {
    "instances": 9,
    "pages_affected": 5,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Component with same name serves same purpose (WCAG 4.1.2)",
   "description": "Component with same name serves same purpose. Detected by Siteimprove Alfa rule sia-r90 on 5 of 2715 scanned pages (9 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r90",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r90 (WCAG 4.1.2).",
   "actual_behavior": "Component with same name serves same purpose. Detected by Siteimprove Alfa rule sia-r90 on 5 of 2715 scanned pages (9 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/quality-of-care",
    "https://data.cms.gov/summary-statistics-on-provider-enrollment",
    "https://data.cms.gov/provider-compliance"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/quality-of-care",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-provider-enrollment",
     "count": 1
    },
    {
     "pattern": "/provider-compliance",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-a24eaa8c",
   "fingerprint": "8d462fe1",
   "rule_id": "sia-r2",
   "rule_label": "Image has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r2",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 3,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 3,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Image has accessible name (WCAG 1.1.1)",
   "description": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 3 of 2715 scanned pages (6 instances).",
   "remediation_tip": "Give every <img> an accessible name (alt text), or alt=\"\" if purely decorative.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r2",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r2 (WCAG 1.1.1).",
   "actual_behavior": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 3 of 2715 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://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug",
    "https://data.cms.gov/",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-b-spending-by-drug"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug",
     "count": 1
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-b-spending-by-drug",
     "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-04a9d28c",
   "fingerprint": "02cfba82",
   "rule_id": "presentational-attr",
   "rule_label": "Presentational attribute (use CSS)",
   "engine": "deprecated-html",
   "tool": "deprecated-html",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": null,
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 6,
    "affected_pages_current": 3,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 809,
    "pages_affected": 3,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Presentational attribute (use CSS) (WCAG criterion undetermined)",
   "description": "Presentational attribute (use CSS). Detected by deprecated-html rule presentational-attr on 3 of 2715 scanned pages (809 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule presentational-attr.",
   "actual_behavior": "Presentational attribute (use CSS). Detected by deprecated-html rule presentational-attr on 3 of 2715 scanned pages (809 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data/topics/hospitals/complications-deaths",
    "https://data.cms.gov/provider-data/topics/hospitals/ambulatory-surgical-centers",
    "https://data.cms.gov/provider-data/topics/hospitals/measures-and-current-data-collection-periods"
   ],
   "html_fragments": [
    {
     "fingerprint": "ee3478c5",
     "html": "<table cellpadding=\"0\" cellspacing=\"0\"><tbody><tr><td colspan=\"5\" valign=\"middle\"><strong><span>Complication Measure Performance Categories</span></strong></td></tr><tr><td valign=\"top\"><strong><span>",
     "selectors": [
      "table"
     ]
    },
    {
     "fingerprint": "fad8923e",
     "html": "<td colspan=\"5\" valign=\"middle\"><strong><span>Complication Measure Performance Categories</span></strong></td>",
     "selectors": [
      "td"
     ]
    },
    {
     "fingerprint": "d1cbcfbd",
     "html": "<td valign=\"top\"><strong><span>Category</span></strong></td>",
     "selectors": [
      "td"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/topics/hospitals/complications-deaths",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/hospitals/ambulatory-surgical-centers",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/hospitals/measures-and-current-data-collection-periods",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f7dba940",
   "fingerprint": "477d8088",
   "rule_id": "sia-r14",
   "rule_label": "Accessible name of link or button matches visible label",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.3",
   "wcag_name": "Label in Name",
   "wcag_level": "A",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.1 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r14",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 6,
    "affected_pages_current": 2,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 24,
    "pages_affected": 2,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Accessible name of link or button matches visible label (WCAG 2.5.3)",
   "description": "Accessible name of link or button matches visible label. Detected by Siteimprove Alfa rule sia-r14 on 2 of 2715 scanned pages (24 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r14 (WCAG 2.5.3).",
   "actual_behavior": "Accessible name of link or button matches visible label. Detected by Siteimprove Alfa rule sia-r14 on 2 of 2715 scanned pages (24 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools",
    "https://data.cms.gov/provider-data/topics"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tools",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "WS",
      "group": "Without speech",
      "prevalence": 0.005,
      "percent": "0.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Without speech (0.5%)."
   }
  },
  {
   "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": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 2,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 8420,
    "pages_affected": 2,
    "total_pages_scanned": 2715
   },
   "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 2715 scanned pages (8420 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 2715 scanned pages (8420 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/tools/mapping-medicare-disparities-by-population",
    "https://data.cms.gov/tools/mapping-medicare-disparities-by-hospital"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tools/mapping-medicare-disparities-by-population",
     "count": 1
    },
    {
     "pattern": "/tools/mapping-medicare-disparities-by-hospital",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-784b5009",
   "fingerprint": "4705a89e",
   "rule_id": "sia-r43",
   "rule_label": "SVG image element has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r43",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W26",
    "last_observed": "2026-W30",
    "weeks_observed": 3,
    "affected_pages_current": 1,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 10,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "SVG image element has accessible name (WCAG 1.1.1)",
   "description": "SVG image element has accessible name. Detected by Siteimprove Alfa rule sia-r43 on 1 of 2715 scanned pages (10 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r43",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r43 (WCAG 1.1.1).",
   "actual_behavior": "SVG image element has accessible name. Detected by Siteimprove Alfa rule sia-r43 on 1 of 2715 scanned pages (10 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/provider-data"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data",
     "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-4408605e",
   "fingerprint": "265d5c76",
   "rule_id": "sia-r46",
   "rule_label": "Element has required aria-owns",
   "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-r46",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W27",
    "last_observed": "2026-W30",
    "weeks_observed": 3,
    "affected_pages_current": 1,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Element has required aria-owns (WCAG 1.3.1)",
   "description": "Element has required aria-owns. Detected by Siteimprove Alfa rule sia-r46 on 1 of 2715 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r46",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r46 (WCAG 1.3.1).",
   "actual_behavior": "Element has required aria-owns. Detected by Siteimprove Alfa rule sia-r46 on 1 of 2715 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://data.cms.gov/provider-data/dataset/46dc-a66c"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data/dataset/{id}dc-a66c",
     "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-29f9f921",
   "fingerprint": "65a386fc",
   "rule_id": "sia-r12",
   "rule_label": "Button has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r12",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W27",
    "last_observed": "2026-W30",
    "weeks_observed": 3,
    "affected_pages_current": 1,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Button has accessible name (WCAG 4.1.2)",
   "description": "Button has accessible name. Detected by Siteimprove Alfa rule sia-r12 on 1 of 2715 scanned pages (1 instances).",
   "remediation_tip": "Give the button an accessible name via text, aria-label, or aria-labelledby.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r12",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r12 (WCAG 4.1.2).",
   "actual_behavior": "Button has accessible name. Detected by Siteimprove Alfa rule sia-r12 on 1 of 2715 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://data.cms.gov/provider-data/birthing-friendly-hospitals-and-health-systems"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/provider-data/birthing-friendly-hospitals-and-health-systems",
     "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": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   }
  },
  {
   "finding_id": "VS-d69fc059",
   "fingerprint": "c827d812",
   "rule_id": "empty-table-header",
   "rule_label": "Table header text 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-table-header?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 4,
    "affected_pages_previous": 4
   },
   "frequency": {
    "instances": 9,
    "pages_affected": 4,
    "total_pages_scanned": 2715
   },
   "on_key_page": false,
   "summary": "Table header text should not be empty (WCAG criterion undetermined)",
   "description": "Table header text should not be empty. Detected by axe-core rule empty-table-header on 4 of 2715 scanned pages (9 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-table-header?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule empty-table-header.",
   "actual_behavior": "Table header text should not be empty. Detected by axe-core rule empty-table-header on 4 of 2715 scanned pages (9 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://data.cms.gov/resources/2018-value-modifier-performance-year-2016-methodology",
    "https://data.cms.gov/provider-data/topics/nursing-homes/quality-measures",
    "https://data.cms.gov/provider-data/topics/home-health-services/measuring-agency-performance"
   ],
   "html_fragments": [
    {
     "fingerprint": "07bb53e3",
     "html": "<th class=\"CellRenderer__cell default-header\" style=\"width: 114px;\"><div id=\"RichTextField-9c35d4eb-1066-42fd-8b9e-834e9eac5a66\" class=\"RichTextField\"> </div></th>",
     "selectors": [
      ".ArticleSection__component-container:nth-child(5) > .DynamicTable > .container > .row > .offset-lg-3.col > .DynamicTable__inner > .DynamicTable__table-wrapper > .DynamicTable__table > thead > tr > .default-header:nth-child(1)",
      ".ArticleSection__component-container:nth-child(7) > .DynamicTable > .container > .row > .offset-lg-3.col > .DynamicTable__inner > .DynamicTable__table-wrapper > .DynamicTable__table > thead > tr > .default-header:nth-child(1)",
      ".ArticleSection__component-container:nth-child(8) > .DynamicTable > .container > .row > .offset-lg-3.col > .DynamicTable__inner > .DynamicTable__table-wrapper > .DynamicTable__table > thead > tr > .default-header:nth-child(1)"
     ]
    },
    {
     "fingerprint": "d5a997f0",
     "html": "<th id=\"nb\" scope=\"col\"><span>&nbsp;</span></th>",
     "selectors": [
      "#nb"
     ]
    },
    {
     "fingerprint": "9832b11d",
     "html": "<th><span>&nbsp;</span></th>",
     "selectors": [
      "table[cellpadding=\"0\"] > thead > tr > th:nth-child(1)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/resources/{id}-value-modifier-performance-year-2016-methodology",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/nursing-homes/quality-measures",
     "count": 1
    },
    {
     "pattern": "/provider-data/topics/home-health-services/measuring-agency-performance",
     "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": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W30",
    "weeks_observed": 7,
    "affected_pages_current": 2,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 2715
   },
   "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 2 of 2715 scanned pages (2 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 2 of 2715 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://data.cms.gov/provider-data/topics/hospitals/timely-effective-care",
    "https://data.cms.gov/provider-compliance/independent-dispute-resolution"
   ],
   "html_fragments": [
    {
     "fingerprint": "ca6b28b1",
     "html": "<h2 id=\"hospital-harm\"><span>&nbsp;</span></h2>",
     "selectors": [
      "h2:nth-child(27)"
     ]
    },
    {
     "fingerprint": "6c3effc7",
     "html": "<h2 class=\"typeface-02-H2-Black-L ArticleHeader__text\"></h2>",
     "selectors": [
      ".ArticleHeader__text"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/provider-data/topics/hospitals/timely-effective-care",
     "count": 1
    },
    {
     "pattern": "/provider-compliance/independent-dispute-resolution",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  }
 ],
 "clusters": {
  "by_wcag_criterion": [
   {
    "cluster_id": "91d6e337",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-30db094d"
    ],
    "total_pages_affected": 1349,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "140fec0b",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.8",
    "wcag_name": "Visual Presentation",
    "wcag_level": "AAA",
    "findings": [
     "VS-2208081b",
     "VS-fbf54eba"
    ],
    "total_pages_affected": 1230,
    "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": 1187,
    "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": 708,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "0ba1e7fd",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-aa242c2d"
    ],
    "total_pages_affected": 708,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "d68f5631",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.3",
    "wcag_name": "Contrast (Minimum)",
    "wcag_level": "AA",
    "findings": [
     "VS-be8d563e",
     "VS-f7e99f4b"
    ],
    "total_pages_affected": 706,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "7154a92e",
    "type": "wcag_criterion",
    "wcag_sc": "2.1.1",
    "wcag_name": "Keyboard",
    "wcag_level": "A",
    "findings": [
     "VS-c613c153"
    ],
    "total_pages_affected": 601,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "a849192e",
    "type": "wcag_criterion",
    "wcag_sc": "4.1.2",
    "wcag_name": "Name, Role, Value",
    "wcag_level": "A",
    "findings": [
     "VS-fab92378",
     "VS-fafffee0",
     "VS-ebb1c464",
     "VS-5c82bd60",
     "VS-f6cf30ff",
     "VS-a48e6078",
     "VS-a2a3dffb",
     "VS-29f9f921"
    ],
    "total_pages_affected": 601,
    "max_severity": "Critical"
   },
   {
    "cluster_id": "e08c8d69",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d25f622d"
    ],
    "total_pages_affected": 304,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "0c75ddb8",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-e05344b9"
    ],
    "total_pages_affected": 215,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b05da4e9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f054f4a4"
    ],
    "total_pages_affected": 151,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "423bd52e",
    "type": "wcag_criterion",
    "wcag_sc": "1.3.1",
    "wcag_name": "Info and Relationships",
    "wcag_level": "A",
    "findings": [
     "VS-6175596b",
     "VS-a0bdbdf6",
     "VS-d6097011",
     "VS-4408605e"
    ],
    "total_pages_affected": 34,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "24c4a455",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.8",
    "wcag_name": "Target Size (Minimum)",
    "wcag_level": "AA",
    "findings": [
     "VS-179ad9b3"
    ],
    "total_pages_affected": 21,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "c7d2a838",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-8806389c"
    ],
    "total_pages_affected": 18,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "81bace3d",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-7fbb8b20"
    ],
    "total_pages_affected": 17,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "77bde739",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.1",
    "wcag_name": "Use of Color",
    "wcag_level": "A",
    "findings": [
     "VS-8ade3360"
    ],
    "total_pages_affected": 12,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "945c7205",
    "type": "wcag_criterion",
    "wcag_sc": "1.1.1",
    "wcag_name": "Non-text Content",
    "wcag_level": "A",
    "findings": [
     "VS-ede1e565",
     "VS-cc981723",
     "VS-a24eaa8c",
     "VS-784b5009"
    ],
    "total_pages_affected": 10,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "30f45b67",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-33841929"
    ],
    "total_pages_affected": 7,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "4b43ba23",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-2cd767ca"
    ],
    "total_pages_affected": 7,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "c594cdc0",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d69fc059"
    ],
    "total_pages_affected": 4,
    "max_severity": "Minor"
   }
  ],
  "by_url_pattern": [
   {
    "cluster_id": "4431bd14",
    "type": "url_pattern",
    "pattern": "/provider-data/datasets",
    "findings": [
     "VS-be8d563e",
     "VS-a0bdbdf6"
    ],
    "total_pages": 11
   },
   {
    "cluster_id": "f207467e",
    "type": "url_pattern",
    "pattern": "/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug",
    "findings": [
     "VS-ede1e565",
     "VS-a24eaa8c"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "f09c882a",
    "type": "url_pattern",
    "pattern": "/",
    "findings": [
     "VS-ede1e565",
     "VS-a24eaa8c"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "b8ada143",
    "type": "url_pattern",
    "pattern": "/provider-data",
    "findings": [
     "VS-cc981723",
     "VS-784b5009"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "1ce0f01d",
    "type": "url_pattern",
    "pattern": "/provider-data/birthing-friendly-hospitals-and-health-systems",
    "findings": [
     "VS-5c82bd60",
     "VS-29f9f921"
    ],
    "total_pages": 2
   }
  ]
 },
 "technology_findings": [
  {
   "technology": "Drupal",
   "finding": "alfa:sia-r17",
   "lift": 2.53,
   "pages_with_both": 37,
   "technology_pages": 91,
   "interpretation": "Pages using Drupal are 2.53× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "PHP",
   "finding": "alfa:sia-r17",
   "lift": 2.53,
   "pages_with_both": 37,
   "technology_pages": 91,
   "interpretation": "Pages using PHP are 2.53× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "jQuery CDN",
   "finding": "alfa:sia-r17",
   "lift": 2.5,
   "pages_with_both": 37,
   "technology_pages": 92,
   "interpretation": "Pages using jQuery CDN are 2.5× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "React",
   "finding": "alfa:sia-r17",
   "lift": 2.5,
   "pages_with_both": 37,
   "technology_pages": 92,
   "interpretation": "Pages using React are 2.5× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "jQuery",
   "finding": "alfa:sia-r17",
   "lift": 2.5,
   "pages_with_both": 37,
   "technology_pages": 92,
   "interpretation": "Pages using jQuery are 2.5× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "Acquia Cloud Platform",
   "finding": "alfa:sia-r17",
   "lift": 2.5,
   "pages_with_both": 37,
   "technology_pages": 92,
   "interpretation": "Pages using Acquia Cloud Platform are 2.5× more likely to have finding alfa:sia-r17."
  },
  {
   "technology": "Amazon Web Services",
   "finding": "alfa:sia-r17",
   "lift": 2.5,
   "pages_with_both": 37,
   "technology_pages": 92,
   "interpretation": "Pages using Amazon Web Services are 2.5× more likely to have finding alfa:sia-r17."
  }
 ],
 "third_party_findings": [
  {
   "origin": "googletagmanager.com",
   "pages_served": 369,
   "pages_with_findings": 352,
   "finding_co_occurrence_rate": 0.95,
   "median_bytes": 478325,
   "example_pages": [
    "https://data.cms.gov/resources/mcbs-summary-tables-glossary",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug/data"
   ]
  },
  {
   "origin": "digitalgov.gov",
   "pages_served": 361,
   "pages_with_findings": 344,
   "finding_co_occurrence_rate": 0.95,
   "median_bytes": 30230,
   "example_pages": [
    "https://data.cms.gov/resources/mcbs-summary-tables-glossary",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug/data"
   ]
  },
  {
   "origin": "adoberesources.net",
   "pages_served": 361,
   "pages_with_findings": 344,
   "finding_co_occurrence_rate": 0.95,
   "median_bytes": 20183,
   "example_pages": [
    "https://data.cms.gov/resources/mcbs-summary-tables-glossary",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug/data"
   ]
  },
  {
   "origin": "tiqcdn.com",
   "pages_served": 543,
   "pages_with_findings": 437,
   "finding_co_occurrence_rate": 0.8,
   "median_bytes": 22466,
   "example_pages": [
    "https://data.cms.gov/resources/mcbs-summary-tables-glossary",
    "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/skilled-nursing-facility-change-of-ownership/data/q4-2024",
    "https://data.cms.gov/summary-statistics-on-use-and-payments/medicare-medicaid-spending-by-drug/medicare-quarterly-part-d-spending-by-drug/data"
   ]
  },
  {
   "origin": "jquery.com",
   "pages_served": 214,
   "pages_with_findings": 108,
   "finding_co_occurrence_rate": 0.5,
   "median_bytes": 67087,
   "example_pages": [
    "https://data.cms.gov/provider-data/datasets?keyword%5B%5D=Cancer",
    "https://data.cms.gov/provider-data/dataset/ptds-r8im?page=59",
    "https://data.cms.gov/provider-data/datasets?theme%5B0%5D=Hospitals"
   ]
  }
 ],
 "metadata": {
  "generator": "vital-core",
  "schema_version": "0.1",
  "total_pages_scanned": 2715,
  "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."
  ]
 }
}