{ "domain": "www.cdc.gov", "week": "2026-W32", "generatedAt": "2026-08-07T13:55:24.481Z", "reports": [ { "instance_id": "VS-7c5cf13a", "pattern_id": "VS-179ad9b3", "a11y_pattern_fingerprint": "8674f4e385713e38ec0985fbfbdf6766574cef477edb467a72aae04cc3a2563b", "a11y_pattern_display_id": "A11Y-PAT-8674F4E38571", "a11y_occurrence_fingerprint": "99c9f94d4949e536f050ad7c6c51b92d7282ae4516ba3df72b49e915f20ebfb7", "a11y_occurrence_display_id": "A11Y-OCC-99C9F94D4949", "url": "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.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": 3005, "pages_affected": 291, "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 291 of 3333 scanned pages (3005 instances).", "examples": [ { "url": "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/nchs/fastats/suicide.htm", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/nchs/fastats/suicide.htm", "xpath": "", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.htm", "http://www.cdc.gov/nchs/fastats/suicide.htm", "https://www.cdc.gov/nchs/nsfg/nsfg_2002_questionnaires.htm" ], "affected_pages": [ "http://www.cdc.gov/nchs/products/vsus/vsus_1980_2003.htm", "http://www.cdc.gov/nchs/fastats/suicide.htm", "https://www.cdc.gov/nchs/nsfg/nsfg_2002_questionnaires.htm", "https://www.cdc.gov/mmwr/indss_2007.html", "https://www.cdc.gov/asthma/adultasthma/technical.htm", "https://www.cdc.gov/niosh/docket/archive/docket330.html", "https://www.cdc.gov/niosh/npg/npgd0485.html", "http://www.cdc.gov/wtc/handbook.html", "https://www.cdc.gov/dpdx/monthlycasestudies/2017/case458.html", "https://www.cdc.gov/pcd/issues/2012/11_0100.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015136.htm", "https://www.cdc.gov/nchs/nis/data_files_teen.htm", "https://www.cdc.gov/pcd/issues/2010/mar/09_0035_es.htm", "https://www.cdc.gov/niosh/npg/npgd0676.html", "http://www.cdc.gov/pcd/issues/2008/apr/07_0203.htm", "https://www.cdc.gov/pcd/issues/2013/12_0132.htm", "https://www.cdc.gov/nchs/nsfg/key_statistics/m.htm", "https://www.cdc.gov/es/disasters/lightning/firstaid.html", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6128a8.htm?s_cid=mm6128a8_w", "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10141", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a6.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5408a3.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001961.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00022056.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/nchs/products/vsus/vsus_1980_2003.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-W32", "weeks_seen": 9, "affected_pages_csv": "csv/alfa__sia-r113.csv" }, { "instance_id": "VS-bc06e673", "pattern_id": "VS-f7dba940", "a11y_pattern_fingerprint": "ddd2a962bfa94fcbae3edbc029f6060b9ab7afcbdf3610f304c39677ecbfa7d9", "a11y_pattern_display_id": "A11Y-PAT-DDD2A962BFA9", "a11y_occurrence_fingerprint": "9b605eb6d55f9e377dee8ae3eca2a5dc65c9a20ba214c24b218bf814dc5e27e3", "a11y_occurrence_display_id": "A11Y-OCC-9B605EB6D55F", "url": "https://www.cdc.gov/comprehensive-cancer-control/success-stories/iowa-hpv-vaccination.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": 192, "pages_affected": 91, "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 91 of 3333 scanned pages (192 instances).", "examples": [ { "url": "https://www.cdc.gov/comprehensive-cancer-control/success-stories/iowa-hpv-vaccination.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/act-early/resources/milestone-checklists.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/act-early/resources/milestone-checklists.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/act-early/resources/milestone-checklists.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/uterine-cancer/es/stories/index.html", "xpath": "", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/comprehensive-cancer-control/success-stories/iowa-hpv-vaccination.html", "http://www.cdc.gov/act-early/resources/milestone-checklists.html", "https://www.cdc.gov/uterine-cancer/es/stories/index.html" ], "affected_pages": [ "https://www.cdc.gov/comprehensive-cancer-control/success-stories/iowa-hpv-vaccination.html", "http://www.cdc.gov/act-early/resources/milestone-checklists.html", "https://www.cdc.gov/uterine-cancer/es/stories/index.html", "https://www.cdc.gov/es/disasters/lightning/firstaid.html", "https://www.cdc.gov/children-and-school-preparedness/before-during-after/reunification.html", "https://www.cdc.gov/hepatitis-surveillance-2022/site.html", "https://www.cdc.gov/tetanus/es/vaccines/recomendaciones-sobre-la-vacuna-contra-el-tetanos.html", "https://www.cdc.gov/salmonella/general/index.html", "https://www.cdc.gov/environmental-health-tracking/php/our-work/about-colorado-tracking.html", "https://www.cdc.gov/act-early/es/milestones-in-action/4-months.html", "https://www.cdc.gov/overdose-prevention/es/manage-treat-pain/riesgos-y-como-reducirlos.html", "https://www.cdc.gov/national-program-cancer-registries/registry-plus/noah.html", "http://www.cdc.gov/nora/councils/index.html", "http://www.cdc.gov/measles/php/guidance/index.html", "http://www.cdc.gov/national-program-cancer-registries/about/npcr-timeline.html", "https://www.cdc.gov/natural-disasters/es/response/que-hacer-para-protegerse-durante-un-apagon.html", "https://www.cdc.gov/salmonella/outbreaks/onions-10-23/index.html", "https://www.cdc.gov/me-cfs/hcp/diagnosis-testing/factors-complicating-the-diagnosis-of-me-cfs.html", "https://www.cdc.gov/nchhstp/site.html", "https://www.cdc.gov/group-a-strep/es/prevention/prevencion-de-la-infeccion-por-estreptococos-del-grupo-a.html", "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/rubella/es/about/acerca-de-la-rubeola.html", "https://www.cdc.gov/es/disasters/tsunamis/healtheff.html", "http://www.cdc.gov/tourette-syndrome/communication-resources/index.html", "https://www.cdc.gov/strep-lab/php/about/index.html", "https://www.cdc.gov/salmonella/site.html" ], "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/comprehensive-cancer-control/success-stories/iowa-hpv-vaccination.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-W32", "weeks_seen": 9, "affected_pages_csv": "csv/alfa__sia-r14.csv" }, { "instance_id": "VS-04afcea8", "pattern_id": "VS-9074b4dd", "a11y_pattern_fingerprint": "a63aeb2e943401209ab1a27548f4db2826919c02cf8213d2900e7cb35f61d431", "a11y_pattern_display_id": "A11Y-PAT-A63AEB2E9434", "a11y_occurrence_fingerprint": "fc5c1d6d926b8ca2acc14612965a7644cd6dca83819e4fcf0c08b7f4ec6aff9c", "a11y_occurrence_display_id": "A11Y-OCC-FC5C1D6D926B", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"", "wcag_sc": "1.1.1", "wcag_name": "Non-text Content", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "image-alt", "rule_label": "Images must have alternative text", "engine_key": "axe-core", "tool": "axe-core", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI", "severity": "Critical", "frequency": { "instances": 6937, "pages_affected": 587, "total_pages_scanned": 3333 }, "likely_source": "template", "summary": "Images must have alternative text (WCAG 1.1.1)", "description": "Images must have alternative text. Detected by axe-core rule image-alt on 587 of 3333 scanned pages (6937 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(3) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5803a4.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5803a4.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5803a4.htm", "https://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5803a4.htm", "https://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm", "https://www.cdc.gov/pcd/issues/2005/nov/05_0064_zht.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5513a6.htm", "http://www.cdc.gov/wtc/handbook.html", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000205.htm", "http://www.cdc.gov/pcd/issues/2005/nov/05_0081.htm", "https://www.cdc.gov/pcd/issues/2009/jan/08_0029a.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5536a7.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5719md.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4834a4.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015136.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00047871.htm", "https://www.cdc.gov/pcd/issues/2010/mar/09_0035_es.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0196_zht.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0203.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5117a1.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5745md.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001970.htm", "https://www.cdc.gov/pcd/issues/2010/sep/09_0197_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5649a1.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5139a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00055745.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 https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5008a7.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-W32", "weeks_seen": 9, "affected_pages_csv": "csv/axe-core__image-alt.csv" }, { "instance_id": "VS-af9b0a21", "pattern_id": "VS-a24eaa8c", "a11y_pattern_fingerprint": "1b7307e681ce32987b966c5ddae4296ea2d52deade395b5670f0a0683b29844f", "a11y_pattern_display_id": "A11Y-PAT-1B7307E681CE", "a11y_occurrence_fingerprint": "6dc6ac2e0b36a92e4c880c4228d7edca0a1c9711340cbfe33f4e1ad4c71eb378", "a11y_occurrence_display_id": "A11Y-OCC-6DC6AC2E0B36", "url": "http://www.cdc.gov/wtc/handbook.html", "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": 2050, "pages_affected": 153, "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 153 of 3333 scanned pages (2050 instances).", "examples": [ { "url": "http://www.cdc.gov/wtc/handbook.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "xpath": "\"", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "xpath": "\"", "html_snippet": null }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015136.htm", "xpath": "\"", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/wtc/handbook.html", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015136.htm" ], "affected_pages": [ "http://www.cdc.gov/wtc/handbook.html", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000401.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015136.htm", "https://www.cdc.gov/pcd/issues/2010/mar/09_0035_es.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0203.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a6.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5408a3.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001961.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00022056.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5615a2.htm", "http://www.cdc.gov/pcd/issues/2008/jan/06_0177_zht.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000279.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0215.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001948.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4821a6.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5601a5.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5341a3.htm", "http://www.cdc.gov/pcd/issues/2008/jan/07_0135_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4842a7.htm", "https://www.cdc.gov/pcd/issues/2009/apr/08_0067_es.htm", "http://www.cdc.gov/pcd/issues/2009/apr/08_0236.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5203a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4819a6.htm", "https://www.cdc.gov/pcd/issues/2009/jan/08_0006_fr.htm", "https://www.cdc.gov/pcd/issues/2009/jan/08_0081.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/wtc/handbook.html.", "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-W32", "weeks_seen": 9, "affected_pages_csv": "csv/alfa__sia-r2.csv" }, { "instance_id": "VS-b1fc7b4d", "pattern_id": "VS-9429bb8d", "a11y_pattern_fingerprint": "204135199b1ceb5bebfbbcc4785bbd40f91b543a672fddc1672b44c35aa77fe2", "a11y_pattern_display_id": "A11Y-PAT-204135199B1C", "a11y_occurrence_fingerprint": "6cc27c8944e0e1801cb9ec0bb7c1809588340a94de0eb73281a4da05af695096", "a11y_occurrence_display_id": "A11Y-OCC-6CC27C8944E0", "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0292", "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_togetherconsumertk0292", "xpath": "#accordion-7", "html_snippet": "
" }, { "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0292", "xpath": "#acc-panel-7", "html_snippet": "
" } ], "example_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0292" ], "affected_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0292" ], "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_togetherconsumertk0292.", "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-W32", "weeks_seen": 8, "affected_pages_csv": "csv/axe-core__aria-required-children.csv" }, { "instance_id": "VS-18aa0860", "pattern_id": "VS-a0bdbdf6", "a11y_pattern_fingerprint": "c5b073077e33ab4b597754ebb3e035e7d5d2e926a6cfe9a6c028df8710affb52", "a11y_pattern_display_id": "A11Y-PAT-C5B073077E33", "a11y_occurrence_fingerprint": "e84c9adf9e88b35e6138ee3163e690aa419a68123e107cc6a66e4f4f6b1df3d9", "a11y_occurrence_display_id": "A11Y-OCC-E84C9ADF9E88", "url": "http://www.cdc.gov/wtc/handbook.html", "xpath": ".flex-column", "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. ,