{ "schema_version": "0.1", "site": "nih.gov", "scan_week": "2026-W37", "generated_at": "2026-09-30T18:09:56.165Z", "source_files": [ "docs/reports/nih.gov/2026-W37/", "data/nih.gov/findings.json", "data/nih.gov/2026-W37/summary.json" ], "summary": { "pages_known": 4818, "pages_scanned_this_week": 3333, "pages_with_known_issues": 45, "findings": 13, "clusters": 12, "new_findings": 0, "persistent_findings": 13, "high_priority_findings": 2 }, "top_risks": [ { "finding_id": "VS-8ade3360", "rule_id": "link-in-text-block", "rule_label": "Links must be distinguishable without relying on color", "severity": "Serious", "priority": "p1", "trend": "worsening", "pages_affected": 23, "rationale": "Serious severity; worsening trend", "top_url": "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline" }, { "finding_id": "VS-1467ea8a", "rule_id": "aria-allowed-attr", "rule_label": "Elements must only use supported ARIA attributes", "severity": "Critical", "priority": "p1", "trend": "persistent", "pages_affected": 2, "rationale": "Critical severity; persistent across weeks", "top_url": "https://www.nih.gov/brain-initiative/about/vision/brain-20-neuroethics-enabling-enhancing-neuroscience-advances-society" }, { "finding_id": "VS-8806389c", "rule_id": "landmark-unique", "rule_label": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c", "severity": "Moderate", "priority": "p3", "trend": "worsening", "pages_affected": 15, "rationale": "worsening trend", "top_url": "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline" }, { "finding_id": "VS-efd91fdd", "rule_id": "sia-r62", "rule_label": "Link in text block is visually distinguishable without color", "severity": "Moderate", "priority": "p3", "trend": "worsening", "pages_affected": 14, "rationale": "worsening trend", "top_url": "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline" }, { "finding_id": "VS-646b1e0b", "rule_id": "sia-r66", "rule_label": "Text has enhanced contrast", "severity": "Moderate", "priority": "p3", "trend": "worsening", "pages_affected": 14, "rationale": "worsening trend", "top_url": "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline" }, { "finding_id": "VS-f054f4a4", "rule_id": "sia-r53", "rule_label": "Headings are structured hierarchically", "severity": "Moderate", "priority": "p3", "trend": "worsening", "pages_affected": 12, "rationale": "worsening trend", "top_url": "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline" } ], "findings": [ { "finding_id": "VS-8ade3360", "fingerprint": "8bf51706", "rule_id": "link-in-text-block", "rule_label": "Links must be distinguishable without relying on color", "engine": "axe-core", "tool": "axe-core", "wcag_sc": "1.4.1", "wcag_name": "Use of Color", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI", "severity": "Serious", "priority": "p1", "confidence": "high", "rationale": "Serious severity; worsening trend", "trend": { "status": "worsening", "first_observed": "2026-W25", "last_observed": "2026-W37", "weeks_observed": 13, "affected_pages_current": 23, "affected_pages_previous": 22 }, "frequency": { "instances": 177, "pages_affected": 23, "total_pages_scanned": 3333 }, "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 23 of 3333 scanned pages (177 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 23 of 3333 scanned pages (177 instances).", "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "representative_urls": [ "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "https://nih.gov/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "https://www.nih.gov/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide" ], "html_fragments": [ { "fingerprint": "a9759c91", "html": "Blood factors transfer beneficial eff", "selectors": [ "p:nth-child(19) > a[data-extlink=\"\"][target=\"_blank\"][rel=\"noopener nofollow noreferrer\"]" ] }, { "fingerprint": "a9f92f2b", "html": "Office of Communications and Public Liaison", "selectors": [ "p:nth-child(4) > a:nth-child(2)" ] }, { "fingerprint": "a5bf7f5b", "html": "NIH Office of the Director", "selectors": [ "p:nth-child(4) > a:nth-child(3)" ] } ], "url_patterns": [ { "pattern": "/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "count": 1 }, { "pattern": "/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "count": 1 }, { "pattern": "/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide", "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-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-W29", "last_observed": "2026-W37", "weeks_observed": 6, "affected_pages_current": 2, "affected_pages_previous": null }, "frequency": { "instances": 2, "pages_affected": 2, "total_pages_scanned": 3333 }, "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 3333 scanned pages (2 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 3333 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.nih.gov/brain-initiative/about/vision/brain-20-neuroethics-enabling-enhancing-neuroscience-advances-society", "https://nih.gov/brain/about/vision/brain-2025-scientific-vision" ], "html_fragments": [ { "fingerprint": "91ef8722", "html": "
", "selectors": [ ".usa-accordion--bordered" ] } ], "url_patterns": [ { "pattern": "/brain-initiative/about/vision/brain-20-neuroethics-enabling-enhancing-neuroscience-advances-society", "count": 1 }, { "pattern": "/brain/about/vision/brain-2025-scientific-vision", "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-f18df681", "fingerprint": "09987718", "rule_id": "region", "rule_label": "All page content should be contained by landmarks", "engine": "axe-core", "tool": "axe-core", "wcag_sc": null, "wcag_name": null, "wcag_level": null, "wcag_version": null, "wcag_category": "Best Practice", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI", "severity": "Moderate", "priority": "p3", "confidence": "high", "rationale": "persistent across weeks", "trend": { "status": "persistent", "first_observed": "2026-W25", "last_observed": "2026-W37", "weeks_observed": 13, "affected_pages_current": 23, "affected_pages_previous": 23 }, "frequency": { "instances": 46, "pages_affected": 23, "total_pages_scanned": 3333 }, "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 23 of 3333 scanned pages (46 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 23 of 3333 scanned pages (46 instances).", "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "representative_urls": [ "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "https://nih.gov/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "https://www.nih.gov/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide" ], "html_fragments": [ { "fingerprint": "9c1e323b", "html": "
", "selectors": [ ".usa-alert" ] }, { "fingerprint": "16269d5d", "html": "

Breadcrumb

", "selectors": [ "#system-breadcrumb" ] } ], "url_patterns": [ { "pattern": "/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "count": 1 }, { "pattern": "/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "count": 1 }, { "pattern": "/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide", "count": 1 } ], "associated_technologies": [], "impact": { "groups": [], "summary": "Not captured by automated scan — requires manual testing." } }, { "finding_id": "VS-d25f622d", "fingerprint": "98ff321a", "rule_id": "heading-order", "rule_label": "Heading levels should only increase by one", "engine": "axe-core", "tool": "axe-core", "wcag_sc": null, "wcag_name": null, "wcag_level": null, "wcag_version": null, "wcag_category": "Best Practice", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI", "severity": "Moderate", "priority": "p3", "confidence": "high", "rationale": "persistent across weeks", "trend": { "status": "persistent", "first_observed": "2026-W25", "last_observed": "2026-W37", "weeks_observed": 11, "affected_pages_current": 19, "affected_pages_previous": 19 }, "frequency": { "instances": 19, "pages_affected": 19, "total_pages_scanned": 3333 }, "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 19 of 3333 scanned pages (19 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 19 of 3333 scanned pages (19 instances).", "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "representative_urls": [ "https://nih.gov/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "https://nih.gov/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "https://www.nih.gov/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide" ], "html_fragments": [ { "fingerprint": "56b516e0", "html": "

At a Glance

", "selectors": [ ".callout__text > h3" ] } ], "url_patterns": [ { "pattern": "/news-events/nih-research-matters/exercise-induced-protein-may-reverse-age-related-cognitive-decline", "count": 1 }, { "pattern": "/news-events/nih-research-matters/why-protective-antibodies-fade-after-covid-19-vaccines", "count": 1 }, { "pattern": "/news-events/nih-research-matters/alcohol-related-deaths-increasing-nationwide", "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": "p3", "confidence": "high", "rationale": "worsening trend", "trend": { "status": "worsening", "first_observed": "2026-W29", "last_observed": "2026-W37", "weeks_observed": 9, "affected_pages_current": 15, "affected_pages_previous": 11 }, "frequency": { "instances": 15, "pages_affected": 15, "total_pages_scanned": 3333 }, "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 15 of 3333 scanned pages (15 instances).", "remediation_tip": "When a landmark role/type repeats (e.g. two