{
 "schema_version": "0.1",
 "site": "www.cdc.gov",
 "scan_week": "2026-W26",
 "generated_at": "2026-09-30T18:09:37.017Z",
 "source_files": [
  "docs/reports/www.cdc.gov/2026-W26/",
  "data/www.cdc.gov/findings.json",
  "data/www.cdc.gov/2026-W26/summary.json"
 ],
 "summary": {
  "pages_known": 40472,
  "pages_scanned_this_week": 1667,
  "pages_with_known_issues": 39122,
  "findings": 74,
  "clusters": 58,
  "new_findings": 0,
  "persistent_findings": 55,
  "high_priority_findings": 43
 },
 "top_risks": [
  {
   "finding_id": "VS-f18df681",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 1544,
   "rationale": "Serious severity; affects 1544 pages; persistent across weeks",
   "top_url": "https://www.cdc.gov/laboratory/drugservice/index.html"
  },
  {
   "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": 286,
   "rationale": "Serious severity; affects 286 pages; persistent across weeks",
   "top_url": "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w"
  },
  {
   "finding_id": "VS-9074b4dd",
   "rule_id": "image-alt",
   "rule_label": "Images must have alternative text",
   "severity": "Critical",
   "priority": "p1",
   "trend": "improving",
   "pages_affected": 260,
   "rationale": "Critical severity; affects 260 pages",
   "top_url": "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm"
  },
  {
   "finding_id": "VS-c126b6a6",
   "rule_id": "html-has-lang",
   "rule_label": "<html> element must have a lang attribute",
   "severity": "Serious",
   "priority": "p1",
   "trend": "improving",
   "pages_affected": 247,
   "rationale": "Serious severity; affects 247 pages",
   "top_url": "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm"
  },
  {
   "finding_id": "VS-e9fe47ac",
   "rule_id": "link-name",
   "rule_label": "Links must have discernible text",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 112,
   "rationale": "Serious severity; affects 112 pages; persistent across weeks",
   "top_url": "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm"
  },
  {
   "finding_id": "VS-fafffee0",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "severity": "Critical",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 68,
   "rationale": "Critical severity; persistent across weeks",
   "top_url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm"
  },
  {
   "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": 65,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm"
  },
  {
   "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": 15,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://www.cdc.gov/pcd/issues/2019/19_0054.htm"
  },
  {
   "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": 15,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://www.cdc.gov/infection-control/hcp/healthcare-personnel-epidemiology-control/executive-summary.html"
  },
  {
   "finding_id": "VS-58301a87",
   "rule_id": "nested-interactive",
   "rule_label": "Interactive controls must not be nested",
   "severity": "Serious",
   "priority": "p1",
   "trend": "persistent",
   "pages_affected": 14,
   "rationale": "Serious severity; persistent across weeks",
   "top_url": "https://www.cdc.gov/tobacco/campaign/tips/groups/general-public.html"
  }
 ],
 "findings": [
  {
   "finding_id": "VS-f18df681",
   "fingerprint": "09987718",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; affects 1544 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 1544,
    "affected_pages_previous": 2928
   },
   "frequency": {
    "instances": 10188,
    "pages_affected": 1544,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "All page content should be contained by landmarks (WCAG criterion undetermined)",
   "description": "All page content should be contained by landmarks. Detected by axe-core rule region on 1544 of 1667 scanned pages (10188 instances).",
   "remediation_tip": "Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule region.",
   "actual_behavior": "All page content should be contained by landmarks. Detected by axe-core rule region on 1544 of 1667 scanned pages (10188 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/laboratory/drugservice/index.html",
    "https://www.cdc.gov/natural-disasters/communication-resources/getting-rid-of-cleaning-products-and-other-chemicals-factsheet.html",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w"
   ],
   "html_fragments": [
    {
     "fingerprint": "a11361d5",
     "html": "<small class=\"ml-2\">An official website of the United States government <button class=\"cdc-header-official-notice-header-btn\">Here's how you know <span class=\"cdc-header-official-notice-header-icon x1",
     "selectors": [
      "small"
     ]
    },
    {
     "fingerprint": "a0879a75",
     "html": "<div class=\"col-12 mt-5\">",
     "selectors": [
      ".mt-5"
     ]
    },
    {
     "fingerprint": "105ae389",
     "html": "<div class=\"cdc-site-gov-notice noindex noprint\" aria-label=\"Official website of the United States government\">",
     "selectors": [
      ".cdc-site-gov-notice"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/laboratory/drugservice/index.html",
     "count": 1
    },
    {
     "pattern": "/natural-disasters/communication-resources/getting-rid-of-cleaning-products-and-other-chemicals-factsheet.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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; affects 286 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 286,
    "affected_pages_previous": 570
   },
   "frequency": {
    "instances": 393,
    "pages_affected": 286,
    "total_pages_scanned": 1667
   },
   "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 286 of 1667 scanned pages (393 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 286 of 1667 scanned pages (393 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00047023.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "dc54ab94",
     "html": "<b>Please note:</b>",
     "selectors": [
      "i > span > b"
     ]
    },
    {
     "fingerprint": "27f0d8e7",
     "html": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: <a href=\"mailto:mmwrq@cdc.gov\">mmwrq@cdc.gov</a>",
     "selectors": [
      "font",
      "font[color=\"red\"]"
     ]
    },
    {
     "fingerprint": "ded6b5b6",
     "html": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: </font>",
     "selectors": [
      "a[name=\"content_area\"] > font[color=\"red\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 8
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "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-9074b4dd",
   "fingerprint": "f1846b41",
   "rule_id": "image-alt",
   "rule_label": "Images 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/image-alt?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Critical severity; affects 260 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 260,
    "affected_pages_previous": 588
   },
   "frequency": {
    "instances": 2789,
    "pages_affected": 260,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Images must have alternative text (WCAG 1.1.1)",
   "description": "Images must have alternative text. Detected by axe-core rule image-alt on 260 of 1667 scanned pages (2789 instances).",
   "remediation_tip": "Give every <img> a meaningful alt attribute. Use alt=\"\" only for decorative images so screen readers skip them.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule image-alt (WCAG 1.1.1).",
   "actual_behavior": "Images must have alternative text. Detected by axe-core rule image-alt on 260 of 1667 scanned pages (2789 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00047023.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "690454a6",
     "html": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\">",
     "selectors": [
      "img[height=\"8\"][alt=\" \"][width=\"140\"]"
     ]
    },
    {
     "fingerprint": "eb94d89e",
     "html": "<img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\">",
     "selectors": [
      "img[height=\"63\"]"
     ]
    },
    {
     "fingerprint": "9a05d1a8",
     "html": "<img src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"1\" height=\"1\" alt=\" \">",
     "selectors": [
      "td[bgcolor=\"#000099\"][width=\"50%\"][height=\"19\"]:nth-child(6) > img[width=\"1\"][height=\"1\"][alt=\" \"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 10
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5711md.htm",
     "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-c126b6a6",
   "fingerprint": "b6dc10f1",
   "rule_id": "html-has-lang",
   "rule_label": "<html> element must have a lang attribute",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; affects 247 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 247,
    "affected_pages_previous": 589
   },
   "frequency": {
    "instances": 247,
    "pages_affected": 247,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "<html> element must have a lang attribute (WCAG 3.1.1)",
   "description": "<html> element must have a lang attribute. Detected by axe-core rule html-has-lang on 247 of 1667 scanned pages (247 instances).",
   "remediation_tip": "Add a lang attribute to <html> (e.g. lang=\"en\").",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule html-has-lang (WCAG 3.1.1).",
   "actual_behavior": "<html> element must have a lang attribute. Detected by axe-core rule html-has-lang on 247 of 1667 scanned pages (247 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00047023.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "3e866d4c",
     "html": "<html>",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 10
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5711md.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "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 cognitive, language, or learning ability (11.0%)."
   }
  },
  {
   "finding_id": "VS-e9fe47ac",
   "fingerprint": "f85a6839",
   "rule_id": "link-name",
   "rule_label": "Links must have discernible text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; affects 112 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 112,
    "affected_pages_previous": 239
   },
   "frequency": {
    "instances": 221,
    "pages_affected": 112,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Links must have discernible text (WCAG 2.4.4)",
   "description": "Links must have discernible text. Detected by axe-core rule link-name on 112 of 1667 scanned pages (221 instances).",
   "remediation_tip": "Give the link discernible text. Avoid empty links and icon-only links without an aria-label.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule link-name (WCAG 2.4.4).",
   "actual_behavior": "Links must have discernible text. Detected by axe-core rule link-name on 112 of 1667 scanned pages (221 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/pcd/issues/2011/nov/11_0032.htm",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0227.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "94d163c5",
     "html": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>",
     "selectors": [
      "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]"
     ]
    },
    {
     "fingerprint": "7e087d96",
     "html": "<a href=\"http://www.cdc.gov/\"><img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\"></a>",
     "selectors": [
      "td[rowspan=\"2\"][width=\"12\"][valign=\"top\"] > a[href$=\"cdc.gov/\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0032.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/jan/{id}_0227.htm",
     "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": "high",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 68,
    "affected_pages_previous": 162
   },
   "frequency": {
    "instances": 70,
    "pages_affected": 68,
    "total_pages_scanned": 1667
   },
   "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 68 of 1667 scanned pages (70 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 68 of 1667 scanned pages (70 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6033a3.htm?s_cid=mm6033a3_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6023a3.htm?s_cid=mm6023a3_w"
   ],
   "html_fragments": [
    {
     "fingerprint": "9aa28fe9",
     "html": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">",
     "selectors": [
      "#searchBox"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6033a3.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6023a3.htm",
     "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": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 65,
    "affected_pages_previous": 155
   },
   "frequency": {
    "instances": 65,
    "pages_affected": 65,
    "total_pages_scanned": 1667
   },
   "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 65 of 1667 scanned pages (65 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 65 of 1667 scanned pages (65 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/pcd/issues/2011/nov/11_0032.htm",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0227.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e98b87f8",
     "html": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insert e-mail\" value=\"Insert e-mail\" onfocus=\"this.value=''\">",
     "selectors": [
      ".smallfield"
     ]
    },
    {
     "fingerprint": "2611ae77",
     "html": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insérer un courriel\" value=\"Insérer un courriel\" onfocus=\"this.value=''\">",
     "selectors": [
      ".smallfield"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0158_fr.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0032.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 15,
    "affected_pages_previous": 24
   },
   "frequency": {
    "instances": 42,
    "pages_affected": 15,
    "total_pages_scanned": 1667
   },
   "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 15 of 1667 scanned pages (42 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 15 of 1667 scanned pages (42 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2019/19_0054.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr4811a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001909.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "d5c7abab",
     "html": "<ol>",
     "selectors": [
      "ol"
     ]
    },
    {
     "fingerprint": "084c2b46",
     "html": "<ul>\n<b><li>Engage stakeholders</li></b></ul>",
     "selectors": [
      "ul:nth-child(238)"
     ]
    },
    {
     "fingerprint": "0f075df8",
     "html": "<ul>\n<b><li>Describe the program</li></b></ul>",
     "selectors": [
      "ul:nth-child(241)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 8
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0054.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr4811a1.htm",
     "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-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-W26",
    "weeks_observed": 3,
    "affected_pages_current": 15,
    "affected_pages_previous": 60
   },
   "frequency": {
    "instances": 15,
    "pages_affected": 15,
    "total_pages_scanned": 1667
   },
   "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 15 of 1667 scanned pages (15 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 15 of 1667 scanned pages (15 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/infection-control/hcp/healthcare-personnel-epidemiology-control/executive-summary.html",
    "https://www.cdc.gov/infection-control/hcp/healthcare-personnel-epidemiology-control/contributors-and-acknowledgements.html",
    "https://www.cdc.gov/vaccine-safety/about/fainting.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "1ca4dacf",
     "html": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>",
     "selectors": [
      ".all-pages"
     ]
    },
    {
     "fingerprint": "c0008450",
     "html": "<a href=\"/nhsn/ltach/setup.html\">NHSN SET-UP</a>",
     "selectors": [
      "h3 > a[href$=\"setup.html\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/infection-control/hcp/healthcare-personnel-epidemiology-control/executive-summary.html",
     "count": 1
    },
    {
     "pattern": "/infection-control/hcp/healthcare-personnel-epidemiology-control/contributors-and-acknowledgements.html",
     "count": 1
    },
    {
     "pattern": "/vaccine-safety/about/fainting.html",
     "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-58301a87",
   "fingerprint": "345a6415",
   "rule_id": "nested-interactive",
   "rule_label": "Interactive controls must not be nested",
   "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/nested-interactive?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 14,
    "affected_pages_previous": 6
   },
   "frequency": {
    "instances": 15,
    "pages_affected": 14,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Interactive controls must not be nested (WCAG 4.1.2)",
   "description": "Interactive controls must not be nested. Detected by axe-core rule nested-interactive on 14 of 1667 scanned pages (15 instances).",
   "remediation_tip": "Don't nest interactive controls (e.g. a button inside a link); split them apart.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/nested-interactive?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule nested-interactive (WCAG 4.1.2).",
   "actual_behavior": "Interactive controls must not be nested. Detected by axe-core rule nested-interactive on 14 of 1667 scanned pages (15 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tobacco/campaign/tips/groups/general-public.html",
    "https://www.cdc.gov/covid/php/antibody-seroprevalence/index.html",
    "https://www.cdc.gov/tobacco/campaign/tips/groups/people-with-mental-health-conditions.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "f9170cc1",
     "html": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-2\" href=\"#acc-panel-2\" data-toggle=\"collapse\" data-parent=\"#accordion-2\" aria-controls=\"acc-panel-2\" aria-expanded=\"f",
     "selectors": [
      "#acc-header-2"
     ]
    },
    {
     "fingerprint": "7f428b1d",
     "html": "<button aria-controls=\"accordion-panel-BX1xx_vTQF\" aria-expanded=\"false\" class=\"accordion-button collapsed\" data-bs-target=\"#accordion-panel-BX1xx_vTQF\" data-bs-toggle=\"collapse\" type=\"button\">",
     "selectors": [
      "button[aria-controls=\"accordion-panel-BX1xx_vTQF\"]"
     ]
    },
    {
     "fingerprint": "bf37efae",
     "html": "<div aria-labelledby=\"accordion-1-card-2\" class=\"collapse d-print-block show \" id=\"accordion-1-collapse-2\" role=\"tab\">",
     "selectors": [
      "#accordion-1-collapse-2"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tobacco/campaign/tips/groups/general-public.html",
     "count": 1
    },
    {
     "pattern": "/covid/php/antibody-seroprevalence/index.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/groups/people-with-mental-health-conditions.html",
     "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-3f76c7ea",
   "fingerprint": "fbb98de4",
   "rule_id": "frame-title",
   "rule_label": "Frames 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/frame-title?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 12,
    "affected_pages_previous": 24
   },
   "frequency": {
    "instances": 17,
    "pages_affected": 12,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Frames must have an accessible name (WCAG 4.1.2)",
   "description": "Frames must have an accessible name. Detected by axe-core rule frame-title on 12 of 1667 scanned pages (17 instances).",
   "remediation_tip": "Give every <iframe> a descriptive title attribute.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/frame-title?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule frame-title (WCAG 4.1.2).",
   "actual_behavior": "Frames must have an accessible name. Detected by axe-core rule frame-title on 12 of 1667 scanned pages (17 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/fungal/php/guidance-investigating-outbreaks/mold-healthcare.html",
    "https://www.cdc.gov/prediabetes/risktest/index.html",
    "https://www.cdc.gov/cervical-cancer/es/screening/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "778c2ed2",
     "html": "<iframe src=\"//www.youtube-nocookie.com/embed/Dgt8tTw1AMM?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
     "selectors": [
      "iframe"
     ]
    },
    {
     "fingerprint": "b6896c60",
     "html": "<iframe name=\"quizframe\" id=\"quizframe\" style=\"border: 0px; margin: 5px; overflow: hidden; height: 461px; max-height: 100%;\" scrolling=\"auto\" src=\"https://www.cdc.gov/diabetes/widgets/risktest/index.h",
     "selectors": [
      "#quizframe"
     ]
    },
    {
     "fingerprint": "96651b4c",
     "html": "<iframe src=\"//www.youtube-nocookie.com/embed/rqjZtzOqRwQ?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
     "selectors": [
      "iframe"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/fungal/php/guidance-investigating-outbreaks/mold-healthcare.html",
     "count": 1
    },
    {
     "pattern": "/prediabetes/risktest/index.html",
     "count": 1
    },
    {
     "pattern": "/cervical-cancer/es/screening/index.html",
     "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-4b45acfe",
   "fingerprint": "149fb8e2",
   "rule_id": "blink",
   "rule_label": "<blink> elements are deprecated and must not be used",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "2.2.2",
   "wcag_name": "Pause, Stop, Hide",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/blink?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 7,
    "affected_pages_previous": 9
   },
   "frequency": {
    "instances": 7,
    "pages_affected": 7,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "<blink> elements are deprecated and must not be used (WCAG 2.2.2)",
   "description": "<blink> elements are deprecated and must not be used. Detected by axe-core rule blink on 7 of 1667 scanned pages (7 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/blink?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule blink (WCAG 2.2.2).",
   "actual_behavior": "<blink> elements are deprecated and must not be used. Detected by axe-core rule blink on 7 of 1667 scanned pages (7 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5504a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr4811a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5618a7.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e4fef150",
     "html": "<blink><big><strong>Disclaimer</strong></big></blink>",
     "selectors": [
      "blink"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr5504a2.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr4811a1.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5618a7.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "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 Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   }
  },
  {
   "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": "medium",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 4,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 4,
    "total_pages_scanned": 1667
   },
   "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 4 of 1667 scanned pages (6 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 4 of 1667 scanned pages (6 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/como-usar-medicamentos/aerosol-nasal-de-nicotina.html",
    "https://www.cdc.gov/tobacco/campaign/tips/quit-smoking/quit-smoking-medications/how-to-use-quit-smoking-medicines/how-to-use-the-nicotine-lozenge.html",
    "https://www.cdc.gov/tobacco/campaign/tips/quit-smoking/quit-smoking-medications/how-to-use-quit-smoking-medicines/how-to-combine-medicines.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "430020ae",
     "html": "<select id=\"medicine\" onchange=\"window.location = this.options[this.selectedIndex].value;\">",
     "selectors": [
      "#medicine"
     ]
    },
    {
     "fingerprint": "c288a54c",
     "html": "<select id=\"year_group\" class=\"filter_dropdowns\" style=\"width:100%\">",
     "selectors": [
      "#year_group",
      "#subject_group"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/como-usar-medicamentos/aerosol-nasal-de-nicotina.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/quit-smoking/quit-smoking-medications/how-to-use-quit-smoking-medicines/how-to-use-the-nicotine-lozenge.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/quit-smoking/quit-smoking-medications/how-to-use-quit-smoking-medicines/how-to-combine-medicines.html",
     "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-07ba3b17",
   "fingerprint": "993f6ba8",
   "rule_id": "td-headers-attr",
   "rule_label": "Table cell headers attributes must refer to other <th> elements in the same tabl",
   "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/td-headers-attr?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 4,
    "affected_pages_previous": 19
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Table cell headers attributes must refer to other <th> elements in the same tabl (WCAG 1.3.1)",
   "description": "Table cell headers attributes must refer to other <th> elements in the same tabl. Detected by axe-core rule td-headers-attr on 4 of 1667 scanned pages (4 instances).",
   "remediation_tip": "Associate data cells with their headers correctly using headers/id or scope.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/td-headers-attr?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule td-headers-attr (WCAG 1.3.1).",
   "actual_behavior": "Table cell headers attributes must refer to other <th> elements in the same tabl. Detected by axe-core rule td-headers-attr on 4 of 1667 scanned pages (4 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
    "https://www.cdc.gov/brfss/acbs/2024/prevalence_tables/table2b_LLCP.html",
    "https://www.cdc.gov/vaccines/imz-schedules/adolescent-easyread-es.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "4ee4518b",
     "html": "<table class=\"table table-bordered table-striped main|gray-l3\" width=\"623\">",
     "selectors": [
      ".cdc-textblock:nth-child(6) > .table-responsive > div > .main\\|gray-l3.table-striped"
     ]
    },
    {
     "fingerprint": "a3a63532",
     "html": "<table>",
     "selectors": [
      "table"
     ]
    },
    {
     "fingerprint": "6b325d70",
     "html": "<table class=\"table table-schedule table-bordered\">",
     "selectors": [
      ".table-schedule"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
     "count": 1
    },
    {
     "pattern": "/brfss/acbs/{id}/prevalence_tables/table2b_LLCP.html",
     "count": 1
    },
    {
     "pattern": "/vaccines/imz-schedules/adolescent-easyread-es.html",
     "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-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": "medium",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 4,
    "affected_pages_previous": 25
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1667
   },
   "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 4 of 1667 scanned pages (4 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 4 of 1667 scanned pages (4 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6539a4.htm",
    "https://www.cdc.gov/nchs/data-analysis-tools/urban-rural.html",
    "https://www.cdc.gov/cholera/es/prevention/cholera-vaccines.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "87067ece",
     "html": "<table class=\"table table-bordered table-responsive opt-in\">",
     "selectors": [
      ".w-100.order-4:nth-child(28) > table"
     ]
    },
    {
     "fingerprint": "90b54a89",
     "html": "<div class=\"table-container\">",
     "selectors": [
      ".dfe-block--width-standard.cdc_raw_html.dfe-block--cdcmodule:nth-child(7) > .dfe-block__inner > .cdc_raw_html.dfe-block--cdcmodule.dfe-block > .table-container"
     ]
    },
    {
     "fingerprint": "186bd8d7",
     "html": "<div style=\"overflow-x: auto;\">",
     "selectors": [
      ".table-responsive > div",
      "div[data-section=\"cdc_report_pub_study_section_3\"] > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > div"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm6539a4.htm",
     "count": 1
    },
    {
     "pattern": "/nchs/data-analysis-tools/urban-rural.html",
     "count": 1
    },
    {
     "pattern": "/cholera/es/prevention/cholera-vaccines.html",
     "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-9429bb8d",
   "fingerprint": "d9ef25ac",
   "rule_id": "aria-required-children",
   "rule_label": "Certain ARIA roles must contain particular children",
   "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/aria-required-children?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 2,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Certain ARIA roles must contain particular children (WCAG 1.3.1)",
   "description": "Certain ARIA roles must contain particular children. Detected by axe-core rule aria-required-children on 2 of 1667 scanned pages (6 instances).",
   "remediation_tip": "Add the child roles this container role requires (e.g. a list needs listitem children).",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-required-children (WCAG 1.3.1).",
   "actual_behavior": "Certain ARIA roles must contain particular children. Detected by axe-core rule aria-required-children on 2 of 1667 scanned pages (6 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/cme/weekly_conted.html",
    "https://www.cdc.gov/free-mind/card-game/facts-and-feels/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "e9c56822",
     "html": "<div class=\"accordion indicator-plus accordion-white mb3\" id=\"accordion-2\" role=\"tablist\">",
     "selectors": [
      "#accordion-2",
      "#accordion-3",
      "#accordion-4"
     ]
    },
    {
     "fingerprint": "8ce5419f",
     "html": "<div class=\"collapse show\" id=\"acc-panel-2\" role=\"tablist\" aria-labelledby=\"acc-header-2\">",
     "selectors": [
      "#acc-panel-2",
      "#acc-panel-3"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/cme/weekly_conted.html",
     "count": 1
    },
    {
     "pattern": "/free-mind/card-game/facts-and-feels/index.html",
     "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-1467ea8a",
   "fingerprint": "fc8886ab",
   "rule_id": "aria-allowed-attr",
   "rule_label": "Elements must only use supported 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-allowed-attr?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 2,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 16,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Elements must only use supported ARIA attributes (WCAG 4.1.2)",
   "description": "Elements must only use supported ARIA attributes. Detected by axe-core rule aria-allowed-attr on 2 of 1667 scanned pages (16 instances).",
   "remediation_tip": "Remove ARIA attributes that aren't allowed on this role/element.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-allowed-attr?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-allowed-attr (WCAG 4.1.2).",
   "actual_behavior": "Elements must only use supported ARIA attributes. Detected by axe-core rule aria-allowed-attr on 2 of 1667 scanned pages (16 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/nchs/data-visualization",
    "https://www.cdc.gov/niosh/engcontrols/about/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "1c1d7ea9",
     "html": "<div class=\"text\" id=\"natality-mortality-trends_dashboard_desc\" aria-expanded=\"false\" tabindex=\"-1\">",
     "selectors": [
      "#natality-mortality-trends_dashboard_desc",
      "#life_expectancy_dashboard_desc"
     ]
    },
    {
     "fingerprint": "8c228a27",
     "html": "<div class=\"text\" id=\"state-life-expectancy_dashboard_desc\" aria-expanded=\"false\" tabindex=\"-1\">This United States map shows estimates of U.S. life expectancy at birth by state and sex for 2022.</div>",
     "selectors": [
      "#state-life-expectancy_dashboard_desc"
     ]
    },
    {
     "fingerprint": "ad643a49",
     "html": "<td class=\"sorting sorting_asc\" tabindex=\"0\" aria-controls=\"ecdTable\" rowspan=\"1\" colspan=\"1\" aria-sort=\"ascending\" aria-label=\"Engineering Control: activate to sort column descending\" style=\"width: 6",
     "selectors": [
      ".sorting"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/nchs/data-visualization",
     "count": 1
    },
    {
     "pattern": "/niosh/engcontrols/about/index.html",
     "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-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": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 2,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 20,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "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 2 of 1667 scanned pages (20 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 2 of 1667 scanned pages (20 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr4811a1.htm",
    "https://www.cdc.gov/physicalactivity/basics/index.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "63fa0bca",
     "html": "<li>Engage stakeholders</li>",
     "selectors": [
      "ul:nth-child(238) > b > li"
     ]
    },
    {
     "fingerprint": "4007b37e",
     "html": "<li>Describe the program</li>",
     "selectors": [
      "ul:nth-child(241) > b > li"
     ]
    },
    {
     "fingerprint": "9fdbaf9d",
     "html": "<li>Focus the evaluation design</li>",
     "selectors": [
      "ul:nth-child(244) > b > li"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr4811a1.htm",
     "count": 1
    },
    {
     "pattern": "/physicalactivity/basics/index.htm",
     "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-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-W26",
    "weeks_observed": 3,
    "affected_pages_current": 2,
    "affected_pages_previous": 8
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "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 2 of 1667 scanned pages (6 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 2 of 1667 scanned pages (6 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/fragile-x-syndrome/data/index.html",
    "http://www.cdc.gov/global-hiv-tb/php/our-approach/strengthening-laboratory-systems-outbreak-response.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "88103dec",
     "html": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi",
     "selectors": [
      "#id-r1- > .table-container > table > thead > tr > th:nth-child(1) > .sort-icon[role=\"button\"]",
      "#id-r1- > .table-container > table > thead > tr > th:nth-child(2) > .sort-icon[role=\"button\"]",
      "#dataTableSection__TheAverageAgeofFirstConcern-ProfessionalConfirmation-Services-andDiagnosisinBoys > .table-container > table > thead > tr > th:nth-child(1) > .sort-icon[role=\"button\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/fragile-x-syndrome/data/index.html",
     "count": 1
    },
    {
     "pattern": "/global-hiv-tb/php/our-approach/strengthening-laboratory-systems-outbreak-response.html",
     "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-e7298c00",
   "fingerprint": "c378edba",
   "rule_id": "button-name",
   "rule_label": "Buttons must have discernible text",
   "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/button-name?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Critical severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W26",
    "last_observed": "2026-W26",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Buttons must have discernible text (WCAG 4.1.2)",
   "description": "Buttons must have discernible text. Detected by axe-core rule button-name on 1 of 1667 scanned pages (1 instances).",
   "remediation_tip": "Give the button an accessible name via its text content, aria-label, or aria-labelledby.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/button-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule button-name (WCAG 4.1.2).",
   "actual_behavior": "Buttons must have discernible text. Detected by axe-core rule button-name on 1 of 1667 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://www.cdc.gov/hiv/es/about/acerca-del-vih.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "bd78700d",
     "html": "<button id=\"search__icon\" class=\"c-search__icon\"></button>",
     "selectors": [
      "#search__icon"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/hiv/es/about/acerca-del-vih.html",
     "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-4bcaa7bf",
   "fingerprint": "822dd261",
   "rule_id": "definition-list",
   "rule_label": "<dl> elements must only directly contain properly-ordered <dt> and <dd> groups, ",
   "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/definition-list?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W26",
    "last_observed": "2026-W26",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 3,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "<dl> elements must only directly contain properly-ordered <dt> and <dd> groups,  (WCAG 1.3.1)",
   "description": "<dl> elements must only directly contain properly-ordered <dt> and <dd> groups, . Detected by axe-core rule definition-list on 1 of 1667 scanned pages (3 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/definition-list?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule definition-list (WCAG 1.3.1).",
   "actual_behavior": "<dl> elements must only directly contain properly-ordered <dt> and <dd> groups, . Detected by axe-core rule definition-list on 1 of 1667 scanned pages (3 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr4811a1.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "75b13e8d",
     "html": "<dl>",
     "selectors": [
      "dl:nth-child(330)",
      "dl:nth-child(388)",
      "dl:nth-child(410)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr4811a1.htm",
     "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-dd1c019f",
   "fingerprint": "dec2d038",
   "rule_id": "valid-lang",
   "rule_label": "lang attribute must have a valid value",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "3.1.2",
   "wcag_name": "Language of Parts",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 1,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "lang attribute must have a valid value (WCAG 3.1.2)",
   "description": "lang attribute must have a valid value. Detected by axe-core rule valid-lang on 1 of 1667 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule valid-lang (WCAG 3.1.2).",
   "actual_behavior": "lang attribute must have a valid value. Detected by axe-core rule valid-lang on 1 of 1667 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://www.cdc.gov/natural-disasters/communication-resources/wash-your-hands-factsheet.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "e5f01b1c",
     "html": "<a aria-label=\"View\" target=\"_blank\" class=\"cdc-block-link\" href=\"/natural-disasters/media/pdfs/2024/08/factsheet-wash-your-hands_Hawaiian-508.pdf\" lang=\"__\">",
     "selectors": [
      ".cdc-block-link[lang=\"__\"][aria-label=\"View\"]"
     ]
    },
    {
     "fingerprint": "dcd16802",
     "html": "<a lang=\"__\" class=\"cdc-block-link\" href=\"/natural-disasters/media/pdfs/2024/08/factsheet-wash-your-hands_Hawaiian-508.pdf\" aria-label=\"Download\" download=\"factsheet-wash-your-hands_Hawaiian-508.pdf\" ",
     "selectors": [
      ".dfe-curated-link__download.has-content > .download-container > .cdc-block-link[lang=\"__\"][aria-label=\"Download\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/natural-disasters/communication-resources/wash-your-hands-factsheet.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "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 cognitive, language, or learning ability (11.0%)."
   }
  },
  {
   "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 759 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 759,
    "affected_pages_previous": 728
   },
   "frequency": {
    "instances": 23055,
    "pages_affected": 759,
    "total_pages_scanned": 1667
   },
   "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 759 of 1667 scanned pages (23055 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 759 of 1667 scanned pages (23055 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/laboratory/drugservice/index.html",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 2
    },
    {
     "pattern": "/laboratory/drugservice/index.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "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 665 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 665,
    "affected_pages_previous": 619
   },
   "frequency": {
    "instances": 21315,
    "pages_affected": 665,
    "total_pages_scanned": 1667
   },
   "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 665 of 1667 scanned pages (21315 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 665 of 1667 scanned pages (21315 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/laboratory/drugservice/index.html",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/laboratory/drugservice/index.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0210a.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-c18be945",
   "fingerprint": "8634e2fd",
   "rule_id": "sia-r57",
   "rule_label": "Scrolling content can be accessed by keyboard",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r57",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 588 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 588,
    "affected_pages_previous": 528
   },
   "frequency": {
    "instances": 8315,
    "pages_affected": 588,
    "total_pages_scanned": 1667
   },
   "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 588 of 1667 scanned pages (8315 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 588 of 1667 scanned pages (8315 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/laboratory/drugservice/index.html",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/laboratory/drugservice/index.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0210a.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d25f622d",
   "fingerprint": "98ff321a",
   "rule_id": "heading-order",
   "rule_label": "Heading levels should only increase by one",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 549 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 549,
    "affected_pages_previous": 880
   },
   "frequency": {
    "instances": 792,
    "pages_affected": 549,
    "total_pages_scanned": 1667
   },
   "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 549 of 1667 scanned pages (792 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 549 of 1667 scanned pages (792 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/nhsn/faqs/faq-au.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "7157f66b",
     "html": "<h3><strong>Summary</strong></h3>",
     "selectors": [
      "h3"
     ]
    },
    {
     "fingerprint": "4bd6b3b0",
     "html": "<h5>Altmetric:</h5>",
     "selectors": [
      ".bg-white.card-body > h5"
     ]
    },
    {
     "fingerprint": "7a75e6ce",
     "html": "<h5>",
     "selectors": [
      "caption > h5"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 5
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 467 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 467,
    "affected_pages_previous": 977
   },
   "frequency": {
    "instances": 470,
    "pages_affected": 467,
    "total_pages_scanned": 1667
   },
   "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 467 of 1667 scanned pages (470 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 467 of 1667 scanned pages (470 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/flu/prevention",
    "https://www.cdc.gov/hpv/about/cancers-caused-by-hpv.html",
    "https://www.cdc.gov/vaccines/hcp/current-vis/rsv-iis.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "ef2863bd",
     "html": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">",
     "selectors": [
      ".page-right-rail__static"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/flu/prevention",
     "count": 1
    },
    {
     "pattern": "/hpv/about/cancers-caused-by-hpv.html",
     "count": 1
    },
    {
     "pattern": "/vaccines/hcp/current-vis/rsv-iis.html",
     "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 384 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 384,
    "affected_pages_previous": 365
   },
   "frequency": {
    "instances": 421,
    "pages_affected": 384,
    "total_pages_scanned": 1667
   },
   "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 384 of 1667 scanned pages (421 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 384 of 1667 scanned pages (421 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/vaccines/hcp/current-vis/rsv-iis.html",
    "https://www.cdc.gov/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html",
    "https://www.cdc.gov/vaccine-safety/hcp/clinical-safety/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/vaccines/hcp/current-vis/rsv-iis.html",
     "count": 1
    },
    {
     "pattern": "/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html",
     "count": 1
    },
    {
     "pattern": "/vaccine-safety/hcp/clinical-safety/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d5d82446",
   "fingerprint": "3627341e",
   "rule_id": "landmark-one-main",
   "rule_label": "Document should have one main 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-one-main?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 343 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 343,
    "affected_pages_previous": 799
   },
   "frequency": {
    "instances": 343,
    "pages_affected": 343,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Document should have one main landmark (WCAG criterion undetermined)",
   "description": "Document should have one main landmark. Detected by axe-core rule landmark-one-main on 343 of 1667 scanned pages (343 instances).",
   "remediation_tip": "Each page should have exactly one <main> landmark.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-one-main?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-one-main.",
   "actual_behavior": "Document should have one main landmark. Detected by axe-core rule landmark-one-main on 343 of 1667 scanned pages (343 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00047023.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "3e866d4c",
     "html": "<html>",
     "selectors": [
      "html"
     ]
    },
    {
     "fingerprint": "700ea598",
     "html": "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\" id=\"js\">",
     "selectors": [
      "#js"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 8
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "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 280 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 280,
    "affected_pages_previous": 242
   },
   "frequency": {
    "instances": 406,
    "pages_affected": 280,
    "total_pages_scanned": 1667
   },
   "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 280 of 1667 scanned pages (406 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 280 of 1667 scanned pages (406 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/vitalsigns/respectful-maternity-care/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 4
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 270 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 270,
    "affected_pages_previous": 265
   },
   "frequency": {
    "instances": 2466,
    "pages_affected": 270,
    "total_pages_scanned": 1667
   },
   "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 270 of 1667 scanned pages (2466 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 270 of 1667 scanned pages (2466 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/laboratory/drugservice/index.html",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 4
    },
    {
     "pattern": "/laboratory/drugservice/index.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "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-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 254 pages; persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 254,
    "affected_pages_previous": 244
   },
   "frequency": {
    "instances": 1387,
    "pages_affected": 254,
    "total_pages_scanned": 1667
   },
   "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 254 of 1667 scanned pages (1387 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 254 of 1667 scanned pages (1387 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7117e1.htm?s_cid=mm7117e1_w",
    "https://www.cdc.gov/vaccines/hcp/current-vis/rsv-iis.html",
    "https://www.cdc.gov/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7117e1.htm",
     "count": 1
    },
    {
     "pattern": "/vaccines/hcp/current-vis/rsv-iis.html",
     "count": 1
    },
    {
     "pattern": "/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html",
     "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-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": "p2",
   "confidence": "high",
   "rationale": "affects 241 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 241,
    "affected_pages_previous": 324
   },
   "frequency": {
    "instances": 3538,
    "pages_affected": 241,
    "total_pages_scanned": 1667
   },
   "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 241 of 1667 scanned pages (3538 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 241 of 1667 scanned pages (3538 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 4
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0210a.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "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 233 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 233,
    "affected_pages_previous": 241
   },
   "frequency": {
    "instances": 49520,
    "pages_affected": 233,
    "total_pages_scanned": 1667
   },
   "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 233 of 1667 scanned pages (49520 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 233 of 1667 scanned pages (49520 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 4
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0210a.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3d033717",
   "fingerprint": "1718042b",
   "rule_id": "sia-r70",
   "rule_label": "No obsolete or deprecated elements are used",
   "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-r70",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 157 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 157,
    "affected_pages_previous": 190
   },
   "frequency": {
    "instances": 157,
    "pages_affected": 157,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "No obsolete or deprecated elements are used (WCAG criterion undetermined)",
   "description": "No obsolete or deprecated elements are used. Detected by Siteimprove Alfa rule sia-r70 on 157 of 1667 scanned pages (157 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r70",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r70.",
   "actual_behavior": "No obsolete or deprecated elements are used. Detected by Siteimprove Alfa rule sia-r70 on 157 of 1667 scanned pages (157 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 6
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 136 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 136,
    "affected_pages_previous": 161
   },
   "frequency": {
    "instances": 1456,
    "pages_affected": 136,
    "total_pages_scanned": 1667
   },
   "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 136 of 1667 scanned pages (1456 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 136 of 1667 scanned pages (1456 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000800.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 9
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5711md.htm",
     "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-7a0e5645",
   "fingerprint": "15da996e",
   "rule_id": "sia-r4",
   "rule_label": "Document has a valid lang attribute",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r4",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 127 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 127,
    "affected_pages_previous": 157
   },
   "frequency": {
    "instances": 127,
    "pages_affected": 127,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Document has a valid lang attribute (WCAG 3.1.1)",
   "description": "Document has a valid lang attribute. Detected by Siteimprove Alfa rule sia-r4 on 127 of 1667 scanned pages (127 instances).",
   "remediation_tip": "Add a valid lang attribute to <html>.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r4",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r4 (WCAG 3.1.1).",
   "actual_behavior": "Document has a valid lang attribute. Detected by Siteimprove Alfa rule sia-r4 on 127 of 1667 scanned pages (127 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711md.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000800.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 9
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5711md.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "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 cognitive, language, or learning ability (11.0%)."
   }
  },
  {
   "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": "p2",
   "confidence": "high",
   "rationale": "affects 111 pages; worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 111,
    "affected_pages_previous": 65
   },
   "frequency": {
    "instances": 1559,
    "pages_affected": 111,
    "total_pages_scanned": 1667
   },
   "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 111 of 1667 scanned pages (1559 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 111 of 1667 scanned pages (1559 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/diabetes/es/signs-symptoms/sintomas-de-la-diabetes.html",
    "http://www.cdc.gov/global-hiv-tb/php/our-approach/index.html",
    "https://www.cdc.gov/primary-immunodeficiency/about"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/diabetes/es/signs-symptoms/sintomas-de-la-diabetes.html",
     "count": 1
    },
    {
     "pattern": "/global-hiv-tb/php/our-approach/index.html",
     "count": 1
    },
    {
     "pattern": "/primary-immunodeficiency/about",
     "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-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": "p2",
   "confidence": "high",
   "rationale": "worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 96,
    "affected_pages_previous": 72
   },
   "frequency": {
    "instances": 213,
    "pages_affected": 96,
    "total_pages_scanned": 1667
   },
   "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 96 of 1667 scanned pages (213 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 96 of 1667 scanned pages (213 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html",
    "https://www.cdc.gov/diabetes/es/signs-symptoms/sintomas-de-la-diabetes.html",
    "https://www.cdc.gov/spanish/NIOSH/docs/2011-133_sp"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/vaccines-adults/es/recommended-vaccines/como-pagar-las-vacunas.html",
     "count": 1
    },
    {
     "pattern": "/diabetes/es/signs-symptoms/sintomas-de-la-diabetes.html",
     "count": 1
    },
    {
     "pattern": "/spanish/NIOSH/docs/{id}-133_sp",
     "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-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": "p2",
   "confidence": "high",
   "rationale": "worsening trend",
   "trend": {
    "status": "worsening",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 77,
    "affected_pages_previous": 48
   },
   "frequency": {
    "instances": 84,
    "pages_affected": 77,
    "total_pages_scanned": 1667
   },
   "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 77 of 1667 scanned pages (84 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 77 of 1667 scanned pages (84 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6535a1.htm?s_cid=mm6535a1_w",
    "https://www.cdc.gov/statesystem/glossaryandmethodology.html",
    "https://www.cdc.gov/niosh/docket/archive/docket321.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm6535a1.htm",
     "count": 1
    },
    {
     "pattern": "/statesystem/glossaryandmethodology.html",
     "count": 1
    },
    {
     "pattern": "/niosh/docket/archive/docket321.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-fa44f293",
   "fingerprint": "a01b2a6c",
   "rule_id": "page-has-heading-one",
   "rule_label": "Page should contain a level-one heading",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 73 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 73,
    "affected_pages_previous": 251
   },
   "frequency": {
    "instances": 73,
    "pages_affected": 73,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Page should contain a level-one heading (WCAG criterion undetermined)",
   "description": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 73 of 1667 scanned pages (73 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule page-has-heading-one.",
   "actual_behavior": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 73 of 1667 scanned pages (73 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/comprehensive-cancer-control/site.html",
    "https://www.cdc.gov/vitalsigns/respectful-maternity-care/index.html",
    "https://www.cdc.gov/niosh/cold-stress/site.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "3d7ee8d3",
     "html": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-page-type--content\">",
     "selectors": [
      "html"
     ]
    },
    {
     "fingerprint": "35830089",
     "html": "<html lang=\"en-us\" class=\"cdc-2022 theme-blue cdc-page-type-splash cdc-tp5 cdc-2020 mobile-nav\">",
     "selectors": [
      "html"
     ]
    },
    {
     "fingerprint": "e187bab4",
     "html": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-page-type--home\" style=\"--mobile-header-offset: 0px;\">",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/comprehensive-cancer-control/site.html",
     "count": 1
    },
    {
     "pattern": "/vitalsigns/respectful-maternity-care/index.html",
     "count": 1
    },
    {
     "pattern": "/niosh/cold-stress/site.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7118fead",
   "fingerprint": "0d932ac9",
   "rule_id": "sia-r61",
   "rule_label": "Form field label is visible",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r61",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 68 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 68,
    "affected_pages_previous": 99
   },
   "frequency": {
    "instances": 68,
    "pages_affected": 68,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Form field label is visible (WCAG criterion undetermined)",
   "description": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 68 of 1667 scanned pages (68 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r61.",
   "actual_behavior": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 68 of 1667 scanned pages (68 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/vitalsigns/respectful-maternity-care/index.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6033a3.htm?s_cid=mm6033a3_w"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "count": 1
    },
    {
     "pattern": "/vitalsigns/respectful-maternity-care/index.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6033a3.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-28ebd979",
   "fingerprint": "032345cc",
   "rule_id": "sia-r11",
   "rule_label": "Link has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r11",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 56 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 56,
    "affected_pages_previous": 69
   },
   "frequency": {
    "instances": 115,
    "pages_affected": 56,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Link has accessible name (WCAG 2.4.4)",
   "description": "Link has accessible name. Detected by Siteimprove Alfa rule sia-r11 on 56 of 1667 scanned pages (115 instances).",
   "remediation_tip": "Give the link an accessible name via text content or aria-label.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r11",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r11 (WCAG 2.4.4).",
   "actual_behavior": "Link has accessible name. Detected by Siteimprove Alfa rule sia-r11 on 56 of 1667 scanned pages (115 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0080.htm",
    "https://www.cdc.gov/pcd/issues/2011/nov/11_0032.htm",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0227.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0158_fr.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0080.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0032.htm",
     "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": "high",
   "rationale": "Moderate severity on 38 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 38,
    "affected_pages_previous": 80
   },
   "frequency": {
    "instances": 5482,
    "pages_affected": 38,
    "total_pages_scanned": 1667
   },
   "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 38 of 1667 scanned pages (5482 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 38 of 1667 scanned pages (5482 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/mmwr/volumes/73/wr/mm7320a2.htm?s_cid=mm7320a2_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5735a1.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e9357b08",
     "html": "<th class=\"row1left\" rowspan=\"2\" scope=\"col\" align=\"left\" valign=\"bottom\">Survey item</th>",
     "selectors": [
      "th"
     ]
    },
    {
     "fingerprint": "3c1f3b67",
     "html": "<th class=\"row1\" colspan=\"3\" scope=\"col\" align=\"left\" valign=\"bottom\">Patient score</th>",
     "selectors": [
      "th"
     ]
    },
    {
     "fingerprint": "95bff32d",
     "html": "<th class=\"row1\" colspan=\"3\" scope=\"col\" align=\"left\" valign=\"top\">Response frontier</th>",
     "selectors": [
      "th"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 3
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0210a.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7320a2.htm",
     "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": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 36,
    "affected_pages_previous": 34
   },
   "frequency": {
    "instances": 86,
    "pages_affected": 36,
    "total_pages_scanned": 1667
   },
   "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 36 of 1667 scanned pages (86 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 36 of 1667 scanned pages (86 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6033a3.htm?s_cid=mm6033a3_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5934a3.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6033a3.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5934a3.htm",
     "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-3fb891c5",
   "fingerprint": "aaf9f07a",
   "rule_id": "sia-r60",
   "rule_label": "Input purpose can be determined",
   "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-r60",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 20,
    "affected_pages_previous": 10
   },
   "frequency": {
    "instances": 20,
    "pages_affected": 20,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Input purpose can be determined (WCAG criterion undetermined)",
   "description": "Input purpose can be determined. Detected by Siteimprove Alfa rule sia-r60 on 20 of 1667 scanned pages (20 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r60",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r60.",
   "actual_behavior": "Input purpose can be determined. Detected by Siteimprove Alfa rule sia-r60 on 20 of 1667 scanned pages (20 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2012/11_0015_es.htm",
    "http://www.cdc.gov/pcd/es/archive_es.htm",
    "https://www.cdc.gov/mmwr/preview/ind2004_su.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_0015_es.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/es/archive_es.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/ind2004_su.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-4edfe386",
   "fingerprint": "a3d8ec5a",
   "rule_id": "skip-link",
   "rule_label": "The skip-link target should exist and be focusable",
   "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/skip-link?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 18 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 18,
    "affected_pages_previous": 172
   },
   "frequency": {
    "instances": 18,
    "pages_affected": 18,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "The skip-link target should exist and be focusable (WCAG criterion undetermined)",
   "description": "The skip-link target should exist and be focusable. Detected by axe-core rule skip-link on 18 of 1667 scanned pages (18 instances).",
   "remediation_tip": "Ensure the skip link targets a real, focusable element (its href must match an existing id).",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/skip-link?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule skip-link.",
   "actual_behavior": "The skip-link target should exist and be focusable. Detected by axe-core rule skip-link on 18 of 1667 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://www.cdc.gov/pcd/issues/2012/11_0015_es.htm",
    "https://www.cdc.gov/pcd/issues/2012/11_0110_es.htm",
    "https://www.cdc.gov/pcd/issues/2012/11_0080_es.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e229b85a",
     "html": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>",
     "selectors": [
      "a[href$=\"#az\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_0015_es.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0110_es.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0080_es.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-91d2294a",
   "fingerprint": "648c7ef8",
   "rule_id": "font-element",
   "rule_label": "Obsolete <font> element (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": "high",
   "rationale": "Moderate severity on 18 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 18,
    "affected_pages_previous": 57
   },
   "frequency": {
    "instances": 168,
    "pages_affected": 18,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Obsolete <font> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <font> element (use CSS). Detected by deprecated-html rule font-element on 18 of 1667 scanned pages (168 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule font-element.",
   "actual_behavior": "Obsolete <font> element (use CSS). Detected by deprecated-html rule font-element on 18 of 1667 scanned pages (168 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5735a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00031797.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5223a3.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "cae7b077",
     "html": "<font size=\"3\" face=\"Arial, Helvetica, Verdana\" color=\"#FFFFFF\"><i><b>Weekly</b></i></font>",
     "selectors": [
      "font"
     ]
    },
    {
     "fingerprint": "ae987ba5",
     "html": "<font size=\"2\" face=\"Arial, Helvetica, Verdana\" color=\"#333333\"><b>September 5, 2008 / 57(35);961-966</b></font>",
     "selectors": [
      "font"
     ]
    },
    {
     "fingerprint": "536a72f2",
     "html": "<font face=\"Arial, Helvetica, Verdana\" size=\"5\"><a name=\"content_area\"><b></b></a></font>",
     "selectors": [
      "font"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 5
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5735a1.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5223a3.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f2542d87",
   "fingerprint": "9cf75a1e",
   "rule_id": "sia-r79",
   "rule_label": "Duplicate role landmark is labeled",
   "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-r79",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 15,
    "affected_pages_previous": 15
   },
   "frequency": {
    "instances": 57,
    "pages_affected": 15,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Duplicate role landmark is labeled (WCAG criterion undetermined)",
   "description": "Duplicate role landmark is labeled. Detected by Siteimprove Alfa rule sia-r79 on 15 of 1667 scanned pages (57 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r79",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r79.",
   "actual_behavior": "Duplicate role landmark is labeled. Detected by Siteimprove Alfa rule sia-r79 on 15 of 1667 scanned pages (57 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050448.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045731.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00056071.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 15
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7845739d",
   "fingerprint": "4df079ac",
   "rule_id": "big-element",
   "rule_label": "Obsolete <big> element (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": "high",
   "rationale": "Moderate severity on 12 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 12,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 17,
    "pages_affected": 12,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Obsolete <big> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <big> element (use CSS). Detected by deprecated-html rule big-element on 12 of 1667 scanned pages (17 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule big-element.",
   "actual_behavior": "Obsolete <big> element (use CSS). Detected by deprecated-html rule big-element on 12 of 1667 scanned pages (17 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00031797.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5223a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00033545.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "6608d3b8",
     "html": "<big><strong>Disclaimer</strong></big>",
     "selectors": [
      "big"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 5
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5223a3.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5717a9.htm",
     "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": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 10,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 11,
    "pages_affected": 10,
    "total_pages_scanned": 1667
   },
   "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 10 of 1667 scanned pages (11 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 10 of 1667 scanned pages (11 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tobacco/campaign/tips/groups/general-public.html",
    "https://www.cdc.gov/tobacco/campaign/tips/groups/people-with-mental-health-conditions.html",
    "https://www.cdc.gov/nhsn/newsletters/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tobacco/campaign/tips/groups/general-public.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/groups/people-with-mental-health-conditions.html",
     "count": 1
    },
    {
     "pattern": "/nhsn/newsletters/index.html",
     "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-0ba8ce9d",
   "fingerprint": "1b1ae391",
   "rule_id": "scope-attr-valid",
   "rule_label": "scope attribute should be used correctly",
   "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/scope-attr-valid?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 9,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 64,
    "pages_affected": 9,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "scope attribute should be used correctly (WCAG criterion undetermined)",
   "description": "scope attribute should be used correctly. Detected by axe-core rule scope-attr-valid on 9 of 1667 scanned pages (64 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scope-attr-valid?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule scope-attr-valid.",
   "actual_behavior": "scope attribute should be used correctly. Detected by axe-core rule scope-attr-valid on 9 of 1667 scanned pages (64 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/hpv/about/cancers-caused-by-hpv.html",
    "https://www.cdc.gov/statesystem/glossaryandmethodology.html",
    "https://www.cdc.gov/pcd/issues/2016/15_0244.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e3cfea92",
     "html": "<td scope=\"row\">Back of the Throat</td>",
     "selectors": [
      "tr:nth-child(1) > td[scope=\"row\"]"
     ]
    },
    {
     "fingerprint": "730d8f5d",
     "html": "<td scope=\"row\">Cervical</td>",
     "selectors": [
      "tr:nth-child(2) > td[scope=\"row\"]"
     ]
    },
    {
     "fingerprint": "6d69f0c8",
     "html": "<td scope=\"row\">Anus</td>",
     "selectors": [
      "tr:nth-child(3) > td[scope=\"row\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/hpv/about/cancers-caused-by-hpv.html",
     "count": 1
    },
    {
     "pattern": "/statesystem/glossaryandmethodology.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0244.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 6,
    "affected_pages_previous": 8
   },
   "frequency": {
    "instances": 68,
    "pages_affected": 6,
    "total_pages_scanned": 1667
   },
   "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 6 of 1667 scanned pages (68 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 6 of 1667 scanned pages (68 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/brfss/acbs/2023/prevalence_tables/table8_LLCP.html",
    "https://www.cdc.gov/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
    "https://www.cdc.gov/pcd/issues/2016/16_0221.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/brfss/acbs/{id}/prevalence_tables/table8_LLCP.html",
     "count": 1
    },
    {
     "pattern": "/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_0221.htm",
     "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-20060f39",
   "fingerprint": "488b5ac8",
   "rule_id": "center-element",
   "rule_label": "Obsolete <center> element (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": "Moderate severity on 6 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 6,
    "affected_pages_previous": 15
   },
   "frequency": {
    "instances": 12,
    "pages_affected": 6,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Obsolete <center> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <center> element (use CSS). Detected by deprecated-html rule center-element on 6 of 1667 scanned pages (12 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule center-element.",
   "actual_behavior": "Obsolete <center> element (use CSS). Detected by deprecated-html rule center-element on 6 of 1667 scanned pages (12 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0209_es.htm",
    "https://www.cdc.gov/pcd/issues/2006/oct/06_0034_es.htm",
    "http://www.cdc.gov/pcd/issues/2008/oct/08_0058.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "7b2b52fe",
     "html": "<center>\n  <table border=\"0\" width=\"140\" cellspacing=\"0\" cellpadding=\"0\">\n    \n    <tbody><tr>\n      <td width=\"140\" bgcolor=\"#8A9683\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"140",
     "selectors": [
      "center"
     ]
    },
    {
     "fingerprint": "5a6e6a0f",
     "html": "<center>\n<table border=\"0\" width=\"136\" cellspacing=\"0\" cellpadding=\"4\">\n  <tbody><tr>\n    <td width=\"136\" valign=\"top\" align=\"center\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"10\" ",
     "selectors": [
      "center"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/apr/{id}_0209_es.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0034_es.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0058.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3f067795",
   "fingerprint": "f9bf7824",
   "rule_id": "sia-r77",
   "rule_label": "Table cell has header",
   "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-r77",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 5,
    "affected_pages_previous": 8
   },
   "frequency": {
    "instances": 9287,
    "pages_affected": 5,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Table cell has header (WCAG 1.3.1)",
   "description": "Table cell has header. Detected by Siteimprove Alfa rule sia-r77 on 5 of 1667 scanned pages (9287 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r77",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r77 (WCAG 1.3.1).",
   "actual_behavior": "Table cell has header. Detected by Siteimprove Alfa rule sia-r77 on 5 of 1667 scanned pages (9287 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6026md.htm?s_cid=mm6026md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6005md.htm?s_cid=mm6005md_w",
    "https://www.cdc.gov/nchs/data-analysis-tools/urban-rural.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6026md.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm6005md.htm",
     "count": 1
    },
    {
     "pattern": "/nchs/data-analysis-tools/urban-rural.html",
     "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-388b5438",
   "fingerprint": "e21585c3",
   "rule_id": "sia-r80",
   "rule_label": "Scrollable element is keyboard accessible",
   "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-r80",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 5 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 5,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 382,
    "pages_affected": 5,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Scrollable element is keyboard accessible (WCAG 1.4.8)",
   "description": "Scrollable element is keyboard accessible. Detected by Siteimprove Alfa rule sia-r80 on 5 of 1667 scanned pages (382 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r80",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r80 (WCAG 1.4.8).",
   "actual_behavior": "Scrollable element is keyboard accessible. Detected by Siteimprove Alfa rule sia-r80 on 5 of 1667 scanned pages (382 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/collections/Global_Response_Cardiovascular_Disease.htm",
    "https://www.cdc.gov/pcd/collections/Rural_Health_Disparities.htm",
    "https://www.cdc.gov/pcd/issues/2016/2016_TOC.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/collections/Global_Response_Cardiovascular_Disease.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/collections/Rural_Health_Disparities.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3c632d31",
   "fingerprint": "7d010b8c",
   "rule_id": "sia-r64",
   "rule_label": "Element has required owned roles",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r64",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 4,
    "affected_pages_previous": 13
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Element has required owned roles (WCAG 1.3.1)",
   "description": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 4 of 1667 scanned pages (4 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r64",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r64 (WCAG 1.3.1).",
   "actual_behavior": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 4 of 1667 scanned pages (4 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/statesystem/glossaryandmethodology.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5651a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5642a5.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/statesystem/glossaryandmethodology.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5651a4.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5642a5.htm",
     "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-3d3b2245",
   "fingerprint": "69d9719a",
   "rule_id": "sia-r40",
   "rule_label": "Tables are used for tabular data, not layout",
   "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-r40",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 4,
    "affected_pages_previous": 5
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Tables are used for tabular data, not layout (WCAG criterion undetermined)",
   "description": "Tables are used for tabular data, not layout. Detected by Siteimprove Alfa rule sia-r40 on 4 of 1667 scanned pages (4 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r40",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r40.",
   "actual_behavior": "Tables are used for tabular data, not layout. Detected by Siteimprove Alfa rule sia-r40 on 4 of 1667 scanned pages (4 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/global-health/resources/global-health-center-fact-sheet.html",
    "https://www.cdc.gov/nchs/data-analysis-tools/urban-rural.html",
    "https://www.cdc.gov/maternal-mortality/php/erase-mm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/global-health/resources/global-health-center-fact-sheet.html",
     "count": 1
    },
    {
     "pattern": "/nchs/data-analysis-tools/urban-rural.html",
     "count": 1
    },
    {
     "pattern": "/maternal-mortality/php/erase-mm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-9207ed51",
   "fingerprint": "6cdd8dba",
   "rule_id": "sia-r45",
   "rule_label": "aria-hidden element is not exposed to assistive technology",
   "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-r45",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 3,
    "affected_pages_previous": 4
   },
   "frequency": {
    "instances": 23,
    "pages_affected": 3,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "aria-hidden element is not exposed to assistive technology (WCAG 1.3.1)",
   "description": "aria-hidden element is not exposed to assistive technology. Detected by Siteimprove Alfa rule sia-r45 on 3 of 1667 scanned pages (23 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r45",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r45 (WCAG 1.3.1).",
   "actual_behavior": "aria-hidden element is not exposed to assistive technology. Detected by Siteimprove Alfa rule sia-r45 on 3 of 1667 scanned pages (23 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
    "https://www.cdc.gov/vaccines/imz-schedules/adolescent-easyread-es.html",
    "https://www.cdc.gov/childvaxview/publications-resources/nis-child-2018-2020.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
     "count": 1
    },
    {
     "pattern": "/vaccines/imz-schedules/adolescent-easyread-es.html",
     "count": 1
    },
    {
     "pattern": "/childvaxview/publications-resources/nis-child-2018-2020.html",
     "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-4c341c77",
   "fingerprint": "aada626a",
   "rule_id": "sia-r85",
   "rule_label": "Keyboard trap does not exist",
   "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-r85",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 3,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 3,
    "pages_affected": 3,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Keyboard trap does not exist (WCAG criterion undetermined)",
   "description": "Keyboard trap does not exist. Detected by Siteimprove Alfa rule sia-r85 on 3 of 1667 scanned pages (3 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r85",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r85.",
   "actual_behavior": "Keyboard trap does not exist. Detected by Siteimprove Alfa rule sia-r85 on 3 of 1667 scanned pages (3 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/han/2023/han00492.html",
    "https://www.cdc.gov/han/2023/han00493.html",
    "https://www.cdc.gov/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/historias-para-dejar-de-fumar/daniel.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/han/{id}/han00492.html",
     "count": 1
    },
    {
     "pattern": "/han/{id}/han00493.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/historias-para-dejar-de-fumar/daniel.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-efd91fdd",
   "fingerprint": "12434796",
   "rule_id": "sia-r62",
   "rule_label": "Link in text block is visually distinguishable without color",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r62",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 2,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 15,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Link in text block is visually distinguishable without color (WCAG 1.4.1)",
   "description": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 2 of 1667 scanned pages (15 instances).",
   "remediation_tip": "Make links visually distinguishable from surrounding text (not by color alone).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r62",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r62 (WCAG 1.4.1).",
   "actual_behavior": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 2 of 1667 scanned pages (15 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tobacco/campaign/tips/groups/general-public.html",
    "https://www.cdc.gov/tobacco/campaign/tips/diseases/periodontal-gum-disease.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tobacco/campaign/tips/groups/general-public.html",
     "count": 1
    },
    {
     "pattern": "/tobacco/campaign/tips/diseases/periodontal-gum-disease.html",
     "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-e43903a1",
   "fingerprint": "49842005",
   "rule_id": "sia-r75",
   "rule_label": "Form field error is identified and described",
   "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-r75",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 2,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 12,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Form field error is identified and described (WCAG criterion undetermined)",
   "description": "Form field error is identified and described. Detected by Siteimprove Alfa rule sia-r75 on 2 of 1667 scanned pages (12 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r75",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r75.",
   "actual_behavior": "Form field error is identified and described. Detected by Siteimprove Alfa rule sia-r75 on 2 of 1667 scanned pages (12 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5915a7.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5909a5.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5915a7.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-e5ec42f0",
   "fingerprint": "5e16fc6a",
   "rule_id": "sia-r72",
   "rule_label": "Element role is consistent with ARIA landmark",
   "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-r72",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W26",
    "last_observed": "2026-W26",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": null
   },
   "frequency": {
    "instances": 154,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Element role is consistent with ARIA landmark (WCAG criterion undetermined)",
   "description": "Element role is consistent with ARIA landmark. Detected by Siteimprove Alfa rule sia-r72 on 2 of 1667 scanned pages (154 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r72",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r72.",
   "actual_behavior": "Element role is consistent with ARIA landmark. Detected by Siteimprove Alfa rule sia-r72 on 2 of 1667 scanned pages (154 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/nchs/covid19/npals/adsc.htm",
    "https://www.cdc.gov/pcd/es/2012_toc.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/nchs/covid19/npals/adsc.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/es/{id}_toc.htm",
     "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": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 2,
    "affected_pages_previous": 5
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "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 2 of 1667 scanned pages (2 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 2 of 1667 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "http://www.cdc.gov/pcd/issues/2008/oct/bmscp_map.htm",
    "https://www.cdc.gov/niosh/firefighters/registry/dashboard.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/bmscp_map.htm",
     "count": 1
    },
    {
     "pattern": "/niosh/firefighters/registry/dashboard.html",
     "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": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 2,
    "affected_pages_previous": 5
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1667
   },
   "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 2 of 1667 scanned pages (2 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 2 of 1667 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "http://www.cdc.gov/pcd/issues/2008/oct/bmscp_map.htm",
    "https://www.cdc.gov/niosh/firefighters/registry/dashboard.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/bmscp_map.htm",
     "count": 1
    },
    {
     "pattern": "/niosh/firefighters/registry/dashboard.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-33b49e3b",
   "fingerprint": "04ce6362",
   "rule_id": "sia-r76",
   "rule_label": "Info and Relationships",
   "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-r76",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W26",
    "last_observed": "2026-W26",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Info and Relationships (WCAG 1.3.1)",
   "description": "Info and Relationships. Detected by Siteimprove Alfa rule sia-r76 on 1 of 1667 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r76",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r76 (WCAG 1.3.1).",
   "actual_behavior": "Info and Relationships. Detected by Siteimprove Alfa rule sia-r76 on 1 of 1667 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://www.cdc.gov/yellow-book/hcp/travelers-with-additional-considerations/travelers-with-hiv.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/yellow-book/hcp/travelers-with-additional-considerations/travelers-with-hiv.html",
     "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-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 1,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "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 1667 scanned pages (4 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 1667 scanned pages (4 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/fragile-x-syndrome/data/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/fragile-x-syndrome/data/index.html",
     "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-c461a167",
   "fingerprint": "bc4d5e5b",
   "rule_id": "sia-r54",
   "rule_label": "Assertive live region is marked as atomic",
   "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-r54",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Assertive live region is marked as atomic (WCAG criterion undetermined)",
   "description": "Assertive live region is marked as atomic. Detected by Siteimprove Alfa rule sia-r54 on 1 of 1667 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r54",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r54.",
   "actual_behavior": "Assertive live region is marked as atomic. Detected by Siteimprove Alfa rule sia-r54 on 1 of 1667 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/fragile-x-syndrome/data/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/fragile-x-syndrome/data/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-a84da368",
   "fingerprint": "d5f99286",
   "rule_id": "blink-element",
   "rule_label": "Obsolete <blink> element",
   "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": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Obsolete <blink> element (WCAG criterion undetermined)",
   "description": "Obsolete <blink> element. Detected by deprecated-html rule blink-element on 1 of 1667 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule blink-element.",
   "actual_behavior": "Obsolete <blink> element. Detected by deprecated-html rule blink-element on 1 of 1667 scanned pages (1 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5604a5.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "e4fef150",
     "html": "<blink><big><strong>Disclaimer</strong></big></blink>",
     "selectors": [
      "blink"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5604a5.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "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": "high",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 22,
    "affected_pages_previous": 61
   },
   "frequency": {
    "instances": 48,
    "pages_affected": 22,
    "total_pages_scanned": 1667
   },
   "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 22 of 1667 scanned pages (48 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 22 of 1667 scanned pages (48 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/niosh/idlh/309002.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr6204a1.htm",
    "https://www.cdc.gov/pcd/issues/2008/oct/07_0156.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "7459b964",
     "html": "<th colspan=\"5\"><!-- --></th>",
     "selectors": [
      "th[colspan=\"5\"]"
     ]
    },
    {
     "fingerprint": "89bae348",
     "html": "<th scope=\"col\"><!-- --></th>",
     "selectors": [
      "table:nth-child(14) > thead > tr:nth-child(1) > th[scope=\"col\"]:nth-child(3)"
     ]
    },
    {
     "fingerprint": "436db574",
     "html": "<th colspan=\"2\"><!-- --></th>",
     "selectors": [
      "th[colspan=\"2\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/niosh/idlh/{id}.html",
     "count": 2
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/rr6204a1.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0156.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-4fac2f41",
   "fingerprint": "550210da",
   "rule_id": "aria-allowed-role",
   "rule_label": "ARIA role should be appropriate for the element",
   "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/aria-allowed-role?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "high",
   "rationale": "Minor severity on 18 pages",
   "trend": {
    "status": "improving",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 18,
    "affected_pages_previous": 144
   },
   "frequency": {
    "instances": 25,
    "pages_affected": 18,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "ARIA role should be appropriate for the element (WCAG criterion undetermined)",
   "description": "ARIA role should be appropriate for the element. Detected by axe-core rule aria-allowed-role on 18 of 1667 scanned pages (25 instances).",
   "remediation_tip": "Remove or change the ARIA role — it isn't allowed on this element type.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-allowed-role?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-allowed-role.",
   "actual_behavior": "ARIA role should be appropriate for the element. Detected by axe-core rule aria-allowed-role on 18 of 1667 scanned pages (25 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/vitalsigns/respectful-maternity-care/index.html",
    "https://www.cdc.gov/spanish/NIOSH/docs/2011-133_sp",
    "https://www.cdc.gov/niosh/docs/2021-101"
   ],
   "html_fragments": [
    {
     "fingerprint": "e8582464",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"shield icon\" role=\"presentation\" src=\"/vitalsigns/template-options/images/shield-icon.png?_=40314\">",
     "selectors": [
      ".d-xxl-none.d-xl-block.cdc-viewports:nth-child(4) > .ds-8.card-btn[href$=\"#challenge\"] > .card-p-right.bg-white.card-body > .align-items-center.row > .card-body-left.col > .vs-resize > img[alt=\"shield icon\"][role=\"presentation\"][decoding=\"async\"]"
     ]
    },
    {
     "fingerprint": "648e6fb7",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"scales icon\" role=\"presentation\" src=\"/vitalsigns/template-options/images/scales-icon.png?_=40314\">",
     "selectors": [
      ".d-xxl-none.d-xl-block.cdc-viewports:nth-child(5) > .ds-8.card-btn[href$=\"#equity\"] > .card-p-right.bg-white.card-body > .align-items-center.row > .card-body-left.col > .vs-resize > img[alt=\"scales icon\"][role=\"presentation\"][decoding=\"async\"]"
     ]
    },
    {
     "fingerprint": "21799205",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"hand holding lightbulb icon\" role=\"presentation\" src=\"/vitalsigns/template-options/images/hand-lightbulb-icon.png?_=84571\">",
     "selectors": [
      ".d-xxl-none.d-xl-block.cdc-viewports:nth-child(6) > .ds-8.card-btn[href$=\"#ensure\"] > .card-p-right.bg-white.card-body > .align-items-center.row > .card-body-left.col > .vs-resize > img[alt=\"hand holding lightbulb icon\"][role=\"presentation\"][decoding=\"async\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/vitalsigns/respectful-maternity-care/index.html",
     "count": 1
    },
    {
     "pattern": "/spanish/NIOSH/docs/{id}-133_sp",
     "count": 1
    },
    {
     "pattern": "/niosh/docs/{id}-101",
     "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": "medium",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 8,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 8,
    "pages_affected": 8,
    "total_pages_scanned": 1667
   },
   "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 8 of 1667 scanned pages (8 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 8 of 1667 scanned pages (8 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/nhsn/faqs/faq-au.html",
    "https://www.cdc.gov/statesystem/glossaryandmethodology.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5716a1.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "120e25ba",
     "html": "<h3>&nbsp;</h3>",
     "selectors": [
      "h3:nth-child(202)"
     ]
    },
    {
     "fingerprint": "4efdc86b",
     "html": "<h4></h4>",
     "selectors": [
      "h4:nth-child(1)"
     ]
    },
    {
     "fingerprint": "49d5321b",
     "html": "<h3></h3>",
     "selectors": [
      "li:nth-child(5) > h3",
      "li > h3"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/nhsn/faqs/faq-au.html",
     "count": 1
    },
    {
     "pattern": "/statesystem/glossaryandmethodology.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/mmwrhtml/mm5716a1.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f528778d",
   "fingerprint": "042912c2",
   "rule_id": "image-redundant-alt",
   "rule_label": "Alternative text of images should not be repeated as text",
   "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/image-redundant-alt?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W24",
    "last_observed": "2026-W26",
    "weeks_observed": 3,
    "affected_pages_current": 1,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Alternative text of images should not be repeated as text (WCAG criterion undetermined)",
   "description": "Alternative text of images should not be repeated as text. Detected by axe-core rule image-redundant-alt on 1 of 1667 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-redundant-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule image-redundant-alt.",
   "actual_behavior": "Alternative text of images should not be repeated as text. Detected by axe-core rule image-redundant-alt on 1 of 1667 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://www.cdc.gov/statesystem/glossaryandmethodology.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "c7e30208",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"Original Source\" style=\"height:76px !important;width:80px !important;\" src=\"/statesystem/images/DataSource80x76.png?_=31471\">",
     "selectors": [
      "th[scope=\"col\"]:nth-child(2) > .img-fluid[alt=\"Original Source\"][decoding=\"async\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/statesystem/glossaryandmethodology.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-234b2c77",
   "fingerprint": "dfd4a6b8",
   "rule_id": "table-duplicate-name",
   "rule_label": "Tables should not have the same summary and caption",
   "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/table-duplicate-name?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "low",
   "rationale": "persistent across weeks",
   "trend": {
    "status": "persistent",
    "first_observed": "2026-W25",
    "last_observed": "2026-W26",
    "weeks_observed": 2,
    "affected_pages_current": 1,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 1,
    "total_pages_scanned": 1667
   },
   "on_key_page": false,
   "summary": "Tables should not have the same summary and caption (WCAG criterion undetermined)",
   "description": "Tables should not have the same summary and caption. Detected by axe-core rule table-duplicate-name on 1 of 1667 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/table-duplicate-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule table-duplicate-name.",
   "actual_behavior": "Tables should not have the same summary and caption. Detected by axe-core rule table-duplicate-name on 1 of 1667 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://www.cdc.gov/nchs/data-visualization"
   ],
   "html_fragments": [
    {
     "fingerprint": "975a08d8",
     "html": "<table aria-labelledby=\"natality_data_dashboard_label\" summary=\"Natality Data Dashboards\" class=\"tabletabs table\">",
     "selectors": [
      "table[aria-labelledby=\"natality_data_dashboard_label\"]"
     ]
    },
    {
     "fingerprint": "50408247",
     "html": "<table aria-labelledby=\"provisional_data_dashboard_label\" summary=\"Provisional Data Dashboards\" class=\"tabletabs table\">",
     "selectors": [
      "table[summary=\"Provisional Data Dashboards\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/nchs/data-visualization",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  }
 ],
 "clusters": {
  "by_wcag_criterion": [
   {
    "cluster_id": "0649d9b9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f18df681"
    ],
    "total_pages_affected": 1544,
    "max_severity": "Serious"
   },
   {
    "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": 759,
    "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": 665,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "36ac08de",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-c18be945"
    ],
    "total_pages_affected": 588,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "e08c8d69",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
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    "findings": [
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    "total_pages_affected": 549,
    "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": 540,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "140fec0b",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.8",
    "wcag_name": "Visual Presentation",
    "wcag_level": "AAA",
    "findings": [
     "VS-fbf54eba",
     "VS-2208081b",
     "VS-388b5438"
    ],
    "total_pages_affected": 479,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "c7d2a838",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-8806389c"
    ],
    "total_pages_affected": 467,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "945c7205",
    "type": "wcag_criterion",
    "wcag_sc": "1.1.1",
    "wcag_name": "Non-text Content",
    "wcag_level": "A",
    "findings": [
     "VS-9074b4dd",
     "VS-a24eaa8c"
    ],
    "total_pages_affected": 396,
    "max_severity": "Critical"
   },
   {
    "cluster_id": "0c75ddb8",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
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    "total_pages_affected": 384,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "8af1f05d",
    "type": "wcag_criterion",
    "wcag_sc": "3.1.1",
    "wcag_name": "Language of Page",
    "wcag_level": "A",
    "findings": [
     "VS-c126b6a6",
     "VS-7a0e5645"
    ],
    "total_pages_affected": 374,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "91fd3b4c",
    "type": "wcag_criterion",
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    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d5d82446"
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    "total_pages_affected": 343,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b05da4e9",
    "type": "wcag_criterion",
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    "wcag_level": null,
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    "total_pages_affected": 280,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "24c4a455",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.8",
    "wcag_name": "Target Size (Minimum)",
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     "VS-179ad9b3"
    ],
    "total_pages_affected": 270,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "3b489eee",
    "type": "wcag_criterion",
    "wcag_sc": "2.4.4",
    "wcag_name": "Link Purpose (In Context)",
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    "findings": [
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     "VS-28ebd979"
    ],
    "total_pages_affected": 168,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "81ed7223",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-3d033717"
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    "total_pages_affected": 157,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "423bd52e",
    "type": "wcag_criterion",
    "wcag_sc": "1.3.1",
    "wcag_name": "Info and Relationships",
    "wcag_level": "A",
    "findings": [
     "VS-a0bdbdf6",
     "VS-07ba3b17",
     "VS-9429bb8d",
     "VS-6175596b",
     "VS-4bcaa7bf",
     "VS-d6097011",
     "VS-4408605e",
     "VS-3f067795",
     "VS-3c632d31",
     "VS-9207ed51",
     "VS-33b49e3b"
    ],
    "total_pages_affected": 154,
    "max_severity": "Critical"
   },
   {
    "cluster_id": "a849192e",
    "type": "wcag_criterion",
    "wcag_sc": "4.1.2",
    "wcag_name": "Name, Role, Value",
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    "findings": [
     "VS-fafffee0",
     "VS-58301a87",
     "VS-3f76c7ea",
     "VS-fab92378",
     "VS-1467ea8a",
     "VS-5c82bd60",
     "VS-e7298c00",
     "VS-a48e6078",
     "VS-a2a3dffb",
     "VS-29f9f921"
    ],
    "total_pages_affected": 150,
    "max_severity": "Critical"
   },
   {
    "cluster_id": "fd9ed1c5",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.3",
    "wcag_name": "Label in Name",
    "wcag_level": "A",
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     "VS-f7dba940"
    ],
    "total_pages_affected": 96,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "4b43ba23",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-2cd767ca"
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    "total_pages_affected": 77,
    "max_severity": "Moderate"
   }
  ],
  "by_url_pattern": [
   {
    "cluster_id": "d954bf4c",
    "type": "url_pattern",
    "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
    "findings": [
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     "VS-91d2294a",
     "VS-f2542d87",
     "VS-7845739d"
    ],
    "total_pages": 33
   },
   {
    "cluster_id": "ec8f5cc7",
    "type": "url_pattern",
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    "findings": [
     "VS-c613c153",
     "VS-3f067795",
     "VS-3d3b2245"
    ],
    "total_pages": 3
   },
   {
    "cluster_id": "6a929c1c",
    "type": "url_pattern",
    "pattern": "/fragile-x-syndrome/data/index.html",
    "findings": [
     "VS-5c82bd60",
     "VS-29f9f921",
     "VS-c461a167"
    ],
    "total_pages": 3
   },
   {
    "cluster_id": "f877302f",
    "type": "url_pattern",
    "pattern": "/yellow-book/hcp/preparing-international-travelers/travel-health-kits.html",
    "findings": [
     "VS-07ba3b17",
     "VS-9207ed51"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "6c3d80a5",
    "type": "url_pattern",
    "pattern": "/vaccines/imz-schedules/adolescent-easyread-es.html",
    "findings": [
     "VS-07ba3b17",
     "VS-9207ed51"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "2c6ca062",
    "type": "url_pattern",
    "pattern": "/nchs/data-visualization",
    "findings": [
     "VS-1467ea8a",
     "VS-234b2c77"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "b63f6bd8",
    "type": "url_pattern",
    "pattern": "/mmwr/preview/mmwrhtml/rr4811a1.htm",
    "findings": [
     "VS-6175596b",
     "VS-4bcaa7bf"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "76c9ae54",
    "type": "url_pattern",
    "pattern": "/statesystem/glossaryandmethodology.html",
    "findings": [
     "VS-3c632d31",
     "VS-f528778d"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "3d5286b6",
    "type": "url_pattern",
    "pattern": "/pcd/issues/{id}/oct/bmscp_map.htm",
    "findings": [
     "VS-7fbb8b20",
     "VS-aa242c2d"
    ],
    "total_pages": 2
   },
   {
    "cluster_id": "c32dde9f",
    "type": "url_pattern",
    "pattern": "/niosh/firefighters/registry/dashboard.html",
    "findings": [
     "VS-7fbb8b20",
     "VS-aa242c2d"
    ],
    "total_pages": 2
   }
  ]
 },
 "technology_findings": [
  {
   "technology": "DreamWeaver",
   "finding": "axe:link-name",
   "lift": 4.96,
   "pages_with_both": 5,
   "technology_pages": 10,
   "interpretation": "Pages using DreamWeaver are 4.96× more likely to have finding axe:link-name."
  },
  {
   "technology": "DreamWeaver",
   "finding": "axe:color-contrast",
   "lift": 4.45,
   "pages_with_both": 10,
   "technology_pages": 10,
   "interpretation": "Pages using DreamWeaver are 4.45× more likely to have finding axe:color-contrast."
  },
  {
   "technology": "DreamWeaver",
   "finding": "axe:landmark-one-main",
   "lift": 3.91,
   "pages_with_both": 10,
   "technology_pages": 10,
   "interpretation": "Pages using DreamWeaver are 3.91× more likely to have finding axe:landmark-one-main."
  },
  {
   "technology": "D3",
   "finding": "axe:heading-order",
   "lift": 2.19,
   "pages_with_both": 9,
   "technology_pages": 10,
   "interpretation": "Pages using D3 are 2.19× more likely to have finding axe:heading-order."
  }
 ],
 "third_party_findings": [
  {
   "origin": "altmetric.com",
   "pages_served": 43,
   "pages_with_findings": 43,
   "finding_co_occurrence_rate": 1,
   "median_bytes": 174300,
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/mmwr/volumes/74/wr/mm7425a1.htm?s_cid=mm7425a1_w",
    "https://www.cdc.gov/nchs/products/databriefs/db554.htm"
   ]
  },
  {
   "origin": "cloudfront.net",
   "pages_served": 43,
   "pages_with_findings": 43,
   "finding_co_occurrence_rate": 1,
   "median_bytes": 687,
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/mmwr/volumes/74/wr/mm7425a1.htm?s_cid=mm7425a1_w",
    "https://www.cdc.gov/nchs/products/databriefs/db554.htm"
   ]
  },
  {
   "origin": "dimensions.ai",
   "pages_served": 20,
   "pages_with_findings": 20,
   "finding_co_occurrence_rate": 1,
   "median_bytes": 677715,
   "example_pages": [
    "https://www.cdc.gov/mmwr/volumes/74/wr/mm7425a1.htm?s_cid=mm7425a1_w",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7142e2.htm?s_cid=mm7142e2_w",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7140e3.htm?s_cid=mm7140e3_w"
   ]
  },
  {
   "origin": "google.com",
   "pages_served": 12,
   "pages_with_findings": 12,
   "finding_co_occurrence_rate": 1,
   "median_bytes": 23592,
   "example_pages": [
    "https://www.cdc.gov/tobacco/campaign/tips/groups/general-public.html",
    "https://www.cdc.gov/Quit",
    "https://www.cdc.gov/stem/php/stem-partnerships/index.html"
   ]
  },
  {
   "origin": "googletagmanager.com",
   "pages_served": 394,
   "pages_with_findings": 393,
   "finding_co_occurrence_rate": 1,
   "median_bytes": 152748,
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2023/22_0210a.htm",
    "https://www.cdc.gov/comprehensive-cancer-control/site.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a5.htm"
   ]
  }
 ],
 "metadata": {
  "generator": "vital-core",
  "schema_version": "0.1",
  "total_pages_scanned": 1667,
  "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."
  ]
 }
}