{ "domain": "www.cdc.gov", "week": "2026-W39", "generatedAt": "2026-09-30T18:09:34.495Z", "reports": [ { "instance_id": "VS-3a2f6862", "pattern_id": "VS-179ad9b3", "a11y_pattern_fingerprint": "a85f7841d6d258839aa49175b3807f2b26f2d9c09aa5a9db308c9180f668c523", "a11y_pattern_display_id": "A11Y-PAT-A85F7841D6D2", "a11y_occurrence_fingerprint": "20d8142adc4c14b6291375b43c582b476c4e6809bd5ba208860a1f0fdb178358", "a11y_occurrence_display_id": "A11Y-OCC-20D8142ADC4C", "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "", "html_snippet": null, "wcag_sc": "2.5.8", "wcag_name": "Target Size (Minimum)", "wcag_level": "AA", "wcag_version": "2.2", "wcag_category": "WCAG 2.2 AA", "evidence_status": "automated-indicator", "rule_id": "sia-r113", "rule_label": "Target size is at least 24×24 CSS pixels or has spacing (Minimum)", "engine_key": "alfa", "tool": "Siteimprove Alfa", "rule_url": "https://alfa.siteimprove.com/rules/sia-r113", "severity": "Moderate", "frequency": { "instances": 2613, "pages_affected": 265, "total_pages_scanned": 3333 }, "likely_source": "template", "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 265 of 3333 scanned pages (2613 instances).", "examples": [ { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "xpath": "", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0026_fr.htm" ], "affected_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0026_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a2.htm", "https://www.cdc.gov/pcd/issues/2009/apr/08_0039_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5544a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5003a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6040a6.htm?s_cid=mm6040a6_w", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5725a6.htm", "https://www.cdc.gov/niosh/npg/npgd0430.html", "http://www.cdc.gov/pcd/issues/2009/jan/07_0252_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045576.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00052002.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr6104a9.htm", "http://www.cdc.gov/niosh/npg/npgd0556.html", "https://www.cdc.gov/pcd/issues/2008/apr/06_0147.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001891.htm", "https://www.cdc.gov/niosh/npg/npgd0602.html", "http://www.cdc.gov/PCD/issues/2011/may/10_0087_es.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00053311.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5023a5.htm", "https://www.cdc.gov/brfss/acbs/2016_documentation.html", "https://www.cdc.gov/laboratory/specimen-submission/detail.html", "http://www.cdc.gov/PCD/issues/2008/apr/07_0196_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5540a9.htm" ], "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%)." }, "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "steps_to_reproduce": [ "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm.", "Locate the element: ", "Confirm the Siteimprove Alfa finding for rule sia-r113 against WCAG 2.5.8 Target Size (Minimum)." ], "remediation_tip": null, "tech_name": null, "tech_remediation_tip": null, "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r113", "obligation": "required", "handling": "review", "policy_source": "default", "policy_reason": null, "policy_evidence": [], "policy_owner": null, "policy_expires": null, "included_in_primary_score": false, "first_seen": "2026-W24", "last_seen": "2026-W39", "weeks_seen": 16, "affected_pages_csv": "csv/alfa__sia-r113.csv" }, { "instance_id": "VS-62438c2a", "pattern_id": "VS-f7dba940", "a11y_pattern_fingerprint": "9e3db8153a5951c33ecf4212c30fbeb3ed78a7521c44a6aa9601ea10443ce24b", "a11y_pattern_display_id": "A11Y-PAT-9E3DB8153A59", "a11y_occurrence_fingerprint": "faed6c9c4104992346767191595e3477908ac077c80e013642aa8b1866d8e80f", "a11y_occurrence_display_id": "A11Y-OCC-FAED6C9C4104", "url": "https://www.cdc.gov/investigate-legionella/php/public-health-strategy/index.html", "xpath": "", "html_snippet": null, "wcag_sc": "2.5.3", "wcag_name": "Label in Name", "wcag_level": "A", "wcag_version": "2.1", "wcag_category": "WCAG 2.1 A", "evidence_status": "automated-indicator", "rule_id": "sia-r14", "rule_label": "Accessible name of link or button matches visible label", "engine_key": "alfa", "tool": "Siteimprove Alfa", "rule_url": "https://alfa.siteimprove.com/rules/sia-r14", "severity": "Moderate", "frequency": { "instances": 126, "pages_affected": 72, "total_pages_scanned": 3333 }, "likely_source": "template", "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 72 of 3333 scanned pages (126 instances).", "examples": [ { "url": "https://www.cdc.gov/investigate-legionella/php/public-health-strategy/index.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/environmental-exposure-report/php/about-the-data/laboratory-analysis.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/hepatitis-surveillance-2023/hepatitis-c/figure-3-8.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/united-states-cancer-statistics/technical-notes/relative-cancer-survival.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/salmonella/php/data-research/repjjp01.html", "xpath": "Salmonella Infection (Salmonellosis)\">", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/investigate-legionella/php/public-health-strategy/index.html", "https://www.cdc.gov/environmental-exposure-report/php/about-the-data/laboratory-analysis.html", "https://www.cdc.gov/hepatitis-surveillance-2023/hepatitis-c/figure-3-8.html" ], "affected_pages": [ "https://www.cdc.gov/investigate-legionella/php/public-health-strategy/index.html", "https://www.cdc.gov/environmental-exposure-report/php/about-the-data/laboratory-analysis.html", "https://www.cdc.gov/hepatitis-surveillance-2023/hepatitis-c/figure-3-8.html", "https://www.cdc.gov/united-states-cancer-statistics/technical-notes/relative-cancer-survival.html", "http://www.cdc.gov/salmonella/php/data-research/repjjp01.html", "http://www.cdc.gov/pneumonia/es/about/acerca-de-la-neumonia.html", "http://www.cdc.gov/spanish/niosh/docs/2007-133_sp", "https://www.cdc.gov/natural-disasters/communication-resources/finding-a-new-normal-life-after-a-natural-disaster-marianas-story-poster.html", "http://www.cdc.gov/niosh/publications/es/numbered/2010-119sp.html", "https://www.cdc.gov/partners/site.html", "http://www.cdc.gov/global-health/countries/central-america.html", "https://www.cdc.gov/rdc/b1datatype/dt1224e.htm", "https://www.cdc.gov/salmonella/outbreaks/typhimurium-12-22/index.html", "https://www.cdc.gov/spanish/CDC/enlacese.html", "https://www.cdc.gov/nhsn/covid19/ltc-vaccination-dashboard.html", "https://www.cdc.gov/salmonella/outbreaks/onions-10-23/timeline.html", "http://www.cdc.gov/nora/councils/mining.html", "https://www.cdc.gov/whole-school-community-child/strategies/strategies-nutrition.html", "https://www.cdc.gov/lung-cancer/es/screening/index.html", "http://www.cdc.gov/hi-disease/es/risk-factors/factores-de-riesgo-de-la-enfermedad-por-haemophilusinfluenzae.html", "http://www.cdc.gov/cancer-survivors/es/healthy-living-guides/how-to-cope-with-your-feelings.html", "https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html", "http://www.cdc.gov/diabetes/spanish/living/mental-health.html", "http://www.cdc.gov/niosh/publications/es/numbered/2012-130sp.html", "https://www.cdc.gov/ccindex/everydaywords/index.html?word=Range" ], "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%)." }, "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "steps_to_reproduce": [ "Open https://www.cdc.gov/investigate-legionella/php/public-health-strategy/index.html.", "Locate the element: ", "Confirm the Siteimprove Alfa finding for rule sia-r14 against WCAG 2.5.3 Label in Name." ], "remediation_tip": null, "tech_name": null, "tech_remediation_tip": null, "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14", "obligation": "required", "handling": "review", "policy_source": "default", "policy_reason": null, "policy_evidence": [], "policy_owner": null, "policy_expires": null, "included_in_primary_score": false, "first_seen": "2026-W24", "last_seen": "2026-W39", "weeks_seen": 16, "affected_pages_csv": "csv/alfa__sia-r14.csv" }, { "instance_id": "VS-8348d51e", "pattern_id": "VS-9074b4dd", "a11y_pattern_fingerprint": "a63aeb2e943401209ab1a27548f4db2826919c02cf8213d2900e7cb35f61d431", "a11y_pattern_display_id": "A11Y-PAT-A63AEB2E9434", "a11y_occurrence_fingerprint": "8708b0f44aea59866f5e6544ac54aef3002432a0182d881d200dbaeec71e1f18", "a11y_occurrence_display_id": "A11Y-OCC-8708B0F44AEA", "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"", "wcag_sc": "1.1.1", "wcag_name": "Non-text Content", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "image-alt", "rule_label": "Images must have alternative text", "engine_key": "axe-core", "tool": "axe-core", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI", "severity": "Critical", "frequency": { "instances": 6648, "pages_affected": 588, "total_pages_scanned": 3333 }, "likely_source": "template", "summary": "Images must have alternative text (WCAG 1.1.1)", "description": "Images must have alternative text. Detected by axe-core rule image-alt on 588 of 3333 scanned pages (6648 instances).", "examples": [ { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(3) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5312a1.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5312a1.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" } ], "example_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5312a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm" ], "affected_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5312a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0026_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5450a5.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000372.htm", "https://www.cdc.gov/pcd/issues/2011/may/10_0058.htm", "https://www.cdc.gov/pcd/issues/2009/apr/08_0039_es.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001036.htm", "http://www.cdc.gov/pcd/issues/2004/apr/toc.htm", "https://www.cdc.gov/pcd/issues/2009/jul/cover.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5544a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5531a3.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5003a1.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5324a4.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5725a6.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0012_zhs.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001558.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/ss5507a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00048598.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0252_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4837a1.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045576.htm" ], "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%)." }, "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "steps_to_reproduce": [ "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/00021137.htm.", "Locate the element: td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "Confirm the axe-core finding for rule image-alt against WCAG 1.1.1 Non-text Content." ], "remediation_tip": "Give every a meaningful alt attribute. Use alt=\"\" only for decorative images so screen readers skip them.", "tech_name": null, "tech_remediation_tip": null, "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI", "obligation": "required", "handling": "review", "policy_source": "default", "policy_reason": null, "policy_evidence": [], "policy_owner": null, "policy_expires": null, "included_in_primary_score": false, "first_seen": "2026-W24", "last_seen": "2026-W39", "weeks_seen": 16, "affected_pages_csv": "csv/axe-core__image-alt.csv" }, { "instance_id": "VS-832b8e1a", "pattern_id": "VS-a24eaa8c", "a11y_pattern_fingerprint": "08fcf4104776325c4249523ea3a19eb9da7511b09ae3fe405e100fb8fe2dfcd4", "a11y_pattern_display_id": "A11Y-PAT-08FCF4104776", "a11y_occurrence_fingerprint": "39f8b93a1eac42a96ac15d971548acab978fe0cd5db12c47dae41e33f3e4a069", "a11y_occurrence_display_id": "A11Y-OCC-39F8B93A1EAC", "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "\"", "html_snippet": null, "wcag_sc": "1.1.1", "wcag_name": "Non-text Content", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "sia-r2", "rule_label": "Image has accessible name", "engine_key": "alfa", "tool": "Siteimprove Alfa", "rule_url": "https://alfa.siteimprove.com/rules/sia-r2", "severity": "Moderate", "frequency": { "instances": 1955, "pages_affected": 161, "total_pages_scanned": 3333 }, "likely_source": "template", "summary": "Image has accessible name (WCAG 1.1.1)", "description": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 161 of 3333 scanned pages (1955 instances).", "examples": [ { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "\"", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "\"", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "xpath": "\"", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0026_fr.htm" ], "affected_pages": [ "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm", "https://www.cdc.gov/pcd/issues/2007/oct/07_0073.htm", "https://www.cdc.gov/pcd/issues/2006/oct/06_0026_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a2.htm", "https://www.cdc.gov/pcd/issues/2009/apr/08_0039_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5544a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5003a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5725a6.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0252_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045576.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00052002.htm", "https://www.cdc.gov/pcd/issues/2008/apr/06_0147.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001891.htm", "http://www.cdc.gov/PCD/issues/2011/may/10_0087_es.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00053311.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5023a5.htm", "http://www.cdc.gov/PCD/issues/2008/apr/07_0196_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5540a9.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000459.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5850a1.htm", "https://www.cdc.gov/mmwR/preview/mmwrhtml/rr5102a1.htm", "https://www.cdc.gov/pcd/issues/2008/jul/07_0137_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00055332.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5021a3.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0205_fr.htm" ], "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%)." }, "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "steps_to_reproduce": [ "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4832a1.htm.", "Locate the element: \"", "Confirm the Siteimprove Alfa finding for rule sia-r2 against WCAG 1.1.1 Non-text Content." ], "remediation_tip": "Give every an accessible name (alt text), or alt=\"\" if purely decorative.", "tech_name": null, "tech_remediation_tip": null, "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r2", "obligation": "required", "handling": "review", "policy_source": "default", "policy_reason": null, "policy_evidence": [], "policy_owner": null, "policy_expires": null, "included_in_primary_score": false, "first_seen": "2026-W24", "last_seen": "2026-W39", "weeks_seen": 16, "affected_pages_csv": "csv/alfa__sia-r2.csv" }, { "instance_id": "VS-1eced265", "pattern_id": "VS-9429bb8d", "a11y_pattern_fingerprint": "204135199b1ceb5bebfbbcc4785bbd40f91b543a672fddc1672b44c35aa77fe2", "a11y_pattern_display_id": "A11Y-PAT-204135199B1C", "a11y_occurrence_fingerprint": "151839c2e74af53828f97431a8f8c1dcedd2aea5a8636f92a2a412bb2750b037", "a11y_occurrence_display_id": "A11Y-OCC-151839C2E74A", "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344", "xpath": "#accordion-7", "html_snippet": "
", "wcag_sc": "1.3.1", "wcag_name": "Info and Relationships", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "aria-required-children", "rule_label": "Certain ARIA roles must contain particular children", "engine_key": "axe-core", "tool": "axe-core", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI", "severity": "Critical", "frequency": { "instances": 2, "pages_affected": 1, "total_pages_scanned": 3333 }, "likely_source": "content", "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 1 of 3333 scanned pages (2 instances).", "examples": [ { "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344", "xpath": "#accordion-7", "html_snippet": "
" }, { "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344", "xpath": "#acc-panel-7", "html_snippet": "
" } ], "example_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344" ], "affected_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344" ], "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%)." }, "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.", "steps_to_reproduce": [ "Open https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0344.", "Locate the element: #accordion-7", "Confirm the axe-core finding for rule aria-required-children against WCAG 1.3.1 Info and Relationships." ], "remediation_tip": "Add the child roles this container role requires (e.g. a list needs listitem children).", "tech_name": null, "tech_remediation_tip": null, "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI", "obligation": "required", "handling": "review", "policy_source": "default", "policy_reason": null, "policy_evidence": [], "policy_owner": null, "policy_expires": null, "included_in_primary_score": false, "first_seen": "2026-W25", "last_seen": "2026-W39", "weeks_seen": 13, "affected_pages_csv": "csv/axe-core__aria-required-children.csv" }, { "instance_id": "VS-9b219d21", "pattern_id": "VS-a0bdbdf6", "a11y_pattern_fingerprint": "16dc632aeac0c7a43122906e8372dfdc7af4fe563901c65d12eb911a35aa6c66", "a11y_pattern_display_id": "A11Y-PAT-16DC632AEAC0", "a11y_occurrence_fingerprint": "dd27bdad07f3d10ba87bada3e645e455898b92c82724974565178adef001d103", "a11y_occurrence_display_id": "A11Y-OCC-DD27BDAD07F3", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5312a1.htm", "xpath": "ol", "html_snippet": "
    ", "wcag_sc": "1.3.1", "wcag_name": "Info and Relationships", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "list", "rule_label": "
      and
        must only directly contain
      1. ,