{ "domain": "www.cdc.gov", "week": "2026-W35", "generatedAt": "2026-08-30T16:58:41.574Z", "reports": [ { "instance_id": "VS-428404ed", "pattern_id": "VS-179ad9b3", "a11y_pattern_fingerprint": "8c00ea770e5b5546b8bb2f0da92a9f8ade50b0417a9159f8f77de9424f9756a9", "a11y_pattern_display_id": "A11Y-PAT-8C00EA770E5B", "a11y_occurrence_fingerprint": "e90a22a46af9f8f6f31d77fb6775208369938933c3b43aefc9b7497230b4cce9", "a11y_occurrence_display_id": "A11Y-OCC-E90A22A46AF9", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "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": 1713, "pages_affected": 169, "total_pages_scanned": 1902 }, "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 169 of 1902 scanned pages (1713 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "xpath": "", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6341a3.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5630a1.htm", "http://www.cdc.gov/PCD/issues/2006/apr/05_0126_es.htm", "https://www.cdc.gov/niosh/ocas/supsteel.html", "http://www.cdc.gov/pcd/issues/2006/oct/06_0034_fr.htm", "http://www.cdc.gov/tobacco/campaign/tips/quit-smoking/quit-smoking-medications/medicine-tips.html", "https://www.cdc.gov/pcd/issues/2011/jan/09_0247a.htm", "https://www.cdc.gov/mmwR/preview/mmwrhtml/mm5931a4.htm", "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10313", "http://www.cdc.gov/nchs/fastats/asthma.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000635.htm", "https://www.cdc.gov/mmwr/indss_2025.html", "http://www.cdc.gov/asthma/brfss/00/default.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6001a6.htm?s_cid=mm6001a6_w", "https://www.cdc.gov/niosh/npg/npgd0156.html", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6440a10.htm?s_cid=mm6440a10_w", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017530.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5650a1.htm", "https://www.cdc.gov/pcd/issues/2011/may/10_0105_es.htm", "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10149", "https://www.cdc.gov/nchs/products/databriefs/db461.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5424a3.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 https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a10.htm?s_cid=mm6439a10_w.", "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-W35", "weeks_seen": 12, "affected_pages_csv": "csv/alfa__sia-r113.csv" }, { "instance_id": "VS-d539843e", "pattern_id": "VS-f7dba940", "a11y_pattern_fingerprint": "384a922a3c558c88072ad37e1a9e7b3e528d7257ceff50f9b4089eeb335d3f4f", "a11y_pattern_display_id": "A11Y-PAT-384A922A3C55", "a11y_occurrence_fingerprint": "c91f1ac1cb4641694087a07b3259371f9fa166b6d15b0a8fea20f824501a5740", "a11y_occurrence_display_id": "A11Y-OCC-C91F1AC1CB46", "url": "http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.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": 93, "pages_affected": 56, "total_pages_scanned": 1902 }, "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 56 of 1902 scanned pages (93 instances).", "examples": [ { "url": "http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.html", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/spanish/niosh/docs/2009-113_sp", "xpath": "", "html_snippet": null }, { "url": "http://www.cdc.gov/spanish/niosh/docs/2009-113_sp", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/balamuthia/es/about/index.html", "xpath": "", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.html", "http://www.cdc.gov/spanish/niosh/docs/2009-113_sp", "https://www.cdc.gov/balamuthia/es/about/index.html" ], "affected_pages": [ "http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.html", "http://www.cdc.gov/spanish/niosh/docs/2009-113_sp", "https://www.cdc.gov/balamuthia/es/about/index.html", "https://www.cdc.gov/vaccines/hcp/acip-recs/vacc-specific/covid-19.html", "https://www.cdc.gov/cannabis/es/about/las-leyes-estatales-sobre-el-cannabis-medicinal.html", "https://www.cdc.gov/niosh/publications/es/numbered/2008-112sp.html", "http://www.cdc.gov/salmonella/outbreaks/sproutedbeans-07-25/index.html", "http://www.cdc.gov/cancer/es/risk-factors/index.html", "https://www.cdc.gov/hepatitis/statistics/guidelinesandforms.htm", "https://www.cdc.gov/niosh/publications/es/numbered/2001-109sp.html", "https://www.cdc.gov/diabetes/es/articles/estigma-por-la-diabetes.html", "https://www.cdc.gov/hpv/es/vaccines/vacuna-contra-el-vph.html", "http://www.cdc.gov/cancer-survivors/es/patients/index.htm", "https://www.cdc.gov/healthy-swimming/es/response/what-to-do-when-there-is-poop-in-the-pool.html", "https://www.cdc.gov/spanish/niosh/hhe/actividad.html", "https://www.cdc.gov/hi-disease/es/la-enfermedad-por-haemophilus-influenzae.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/acip-recs/hcp/vaccine-specific/mmr.html", "https://www.cdc.gov/diabetes/es/diabetes-complications/la-diabetes-y-el-sistema-inmunitario.html", "http://www.cdc.gov/niosh/publications/numbered/2026-101.html", "https://www.cdc.gov/movernos", "http://www.cdc.gov/salmonella/outbreaks/saintpaul-04-26/investigation.html", "https://www.cdc.gov/hivnexus/hcp/prep/index.html", "http://www.cdc.gov/cancer-survivors/es/patients/complementary-alternative-medicine.html", "https://www.cdc.gov/rdc/b1datatype/mat-link.htm", "http://www.cdc.gov/spanish/niosh/docs/wp-solutions/2009-131_sp" ], "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 http://www.cdc.gov/niosh/publications/es/hcp/numbered/2012-118sp.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-W35", "weeks_seen": 12, "affected_pages_csv": "csv/alfa__sia-r14.csv" }, { "instance_id": "VS-650e9314", "pattern_id": "VS-9074b4dd", "a11y_pattern_fingerprint": "a63aeb2e943401209ab1a27548f4db2826919c02cf8213d2900e7cb35f61d431", "a11y_pattern_display_id": "A11Y-PAT-A63AEB2E9434", "a11y_occurrence_fingerprint": "8ad8c1cd266b9f8e3f9a045d5ac7a46bce9ca6847b2bb4830a7150e666905041", "a11y_occurrence_display_id": "A11Y-OCC-8AD8C1CD266B", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"", "wcag_sc": "1.1.1", "wcag_name": "Non-text Content", "wcag_level": "A", "wcag_version": "2.0", "wcag_category": "WCAG 2.0 A", "evidence_status": "automated-indicator", "rule_id": "image-alt", "rule_label": "Images must have alternative text", "engine_key": "axe-core", "tool": "axe-core", "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI", "severity": "Critical", "frequency": { "instances": 4317, "pages_affected": 366, "total_pages_scanned": 1902 }, "likely_source": "template", "summary": "Images must have alternative text (WCAG 1.1.1)", "description": "Images must have alternative text. Detected by axe-core rule image-alt on 366 of 1902 scanned pages (4317 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(3) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5034a3.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5034a3.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5034a3.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001774.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5711a7.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5034a3.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001774.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5814a6.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5528a6.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "https://www.cdc.gov/pcd/issues/2011/jul/10_0193_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5825md.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5416a4.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5630a1.htm", "http://www.cdc.gov/PCD/issues/2006/apr/05_0126_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5133a1.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039482.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00038567.htm", "http://www.cdc.gov/pcd/issues/2006/jan/05_0099_zht.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0039_fr.htm", "http://www.cdc.gov/pcd/issues/2006/oct/06_0034_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5511a4.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00020270.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5834a5.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054921.htm", "https://www.cdc.gov/pcd/issues/2011/jan/09_0247a.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00056515.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000635.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/mm5711a7.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": "Drupal", "tech_remediation_tip": "In Drupal's Media Library, fill the \"Alternative text\" field when uploading or editing an image. For images in body fields, the CKEditor \"Image Properties\" dialog includes an Alt Text field.", "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-W35", "weeks_seen": 12, "affected_pages_csv": "csv/axe-core__image-alt.csv" }, { "instance_id": "VS-b837e69a", "pattern_id": "VS-a24eaa8c", "a11y_pattern_fingerprint": "08fcf4104776325c4249523ea3a19eb9da7511b09ae3fe405e100fb8fe2dfcd4", "a11y_pattern_display_id": "A11Y-PAT-08FCF4104776", "a11y_occurrence_fingerprint": "7c14cfb2bd8eba74f5e0898556e4c0da7dc6a817ec5241326c479048899e628e", "a11y_occurrence_display_id": "A11Y-OCC-7C14CFB2BD8E", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.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": 1395, "pages_affected": 102, "total_pages_scanned": 1902 }, "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 102 of 1902 scanned pages (1395 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "xpath": "\"", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5630a1.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4830a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5630a1.htm", "http://www.cdc.gov/PCD/issues/2006/apr/05_0126_es.htm", "http://www.cdc.gov/pcd/issues/2006/oct/06_0034_fr.htm", "https://www.cdc.gov/pcd/issues/2011/jan/09_0247a.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000635.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017530.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5650a1.htm", "https://www.cdc.gov/pcd/issues/2011/may/10_0105_es.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5424a3.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5603md.htm", "https://www.cdc.gov/pcd/issues/2011/may/10_0111.htm", "https://www.cdc.gov/pcd/issues/2008/oct/07_0184_zhs.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5729a2.htm", "https://www.cdc.gov/pcd/issues/2009/apr/08_0213_es.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050901.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5515a5.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5714a1.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4844md.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5646a2.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5520a3.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0217_es.htm", "http://www.cdc.gov/pcd/issues/2008/apr/07_0051_zht.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0226_zhs.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 https://www.cdc.gov/mmwr/preview/mmwrhtml/00053300.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-W35", "weeks_seen": 12, "affected_pages_csv": "csv/alfa__sia-r2.csv" }, { "instance_id": "VS-6acd1389", "pattern_id": "VS-9429bb8d", "a11y_pattern_fingerprint": "204135199b1ceb5bebfbbcc4785bbd40f91b543a672fddc1672b44c35aa77fe2", "a11y_pattern_display_id": "A11Y-PAT-204135199B1C", "a11y_occurrence_fingerprint": "33931b6e8334837bceccc32103f6debd31f795c36af9b771ee6d0367a7083130", "a11y_occurrence_display_id": "A11Y-OCC-33931B6E8334", "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0186", "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": 1902 }, "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 1902 scanned pages (2 instances).", "examples": [ { "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0186", "xpath": "#accordion-7", "html_snippet": "
" }, { "url": "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0186", "xpath": "#acc-panel-7", "html_snippet": "
" } ], "example_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0186" ], "affected_pages": [ "https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0186" ], "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_togetherconsumertk0186.", "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-W35", "weeks_seen": 10, "affected_pages_csv": "csv/axe-core__aria-required-children.csv" }, { "instance_id": "VS-14e3b99e", "pattern_id": "VS-a0bdbdf6", "a11y_pattern_fingerprint": "16dc632aeac0c7a43122906e8372dfdc7af4fe563901c65d12eb911a35aa6c66", "a11y_pattern_display_id": "A11Y-PAT-16DC632AEAC0", "a11y_occurrence_fingerprint": "6ef7c620e71da7c90c17f8eb9fea4cbda779eb3aeb00e1b3b20fc6d65f46d2c6", "a11y_occurrence_display_id": "A11Y-OCC-6EF7C620E71D", "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00032890.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. ,