{ "domain": "www.cdc.gov", "week": "2026-W37", "generatedAt": "2026-09-11T16:46:00.990Z", "reports": [ { "instance_id": "VS-94fb7c87", "pattern_id": "VS-179ad9b3", "a11y_pattern_fingerprint": "a85f7841d6d258839aa49175b3807f2b26f2d9c09aa5a9db308c9180f668c523", "a11y_pattern_display_id": "A11Y-PAT-A85F7841D6D2", "a11y_occurrence_fingerprint": "0817150c26575f0d88ee3476d588df44592ffeedc39344ba3c09ac12b8c43dfe", "a11y_occurrence_display_id": "A11Y-OCC-0817150C2657", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.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": 2384, "pages_affected": 252, "total_pages_scanned": 3330 }, "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 252 of 3330 scanned pages (2384 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "xpath": "", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5026md.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5026md.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001815.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045941.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015081.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5846a5.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021729.htm", "https://www.cdc.gov/hepatitis/statistics/2020surveillance/hepatitis-b/figure-2.3.htm", "http://www.cdc.gov/nchs/fastats/liver-disease.htm", "http://www.cdc.gov/pcd/issues/2010/may/09_0130_es.htm", "http://www.cdc.gov/pcd/issues/2006/oct/05_0009_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5509a5.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00038048.htm", "http://www.cdc.gov/pcd/issues/2009/jan/08_0006_es.htm", "https://www.cdc.gov/niosh/ocas/gjoo.html", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6023a5.htm?s_cid=mm6023a5_w", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00038177.htm", "https://www.cdc.gov/mmwR/preview/mmwrhtml/rr5707a1.htm", "https://www.cdc.gov/pcd/issues/2006/jan/05_0129_es.htm", "https://www.cdc.gov/dpdx/monthlycasestudies/2018/case459.html", "https://www.cdc.gov/niosh/learning/publichealthburnoutprevention/module-4/outline.html", "https://www.cdc.gov/pcd/issues/2011/jul/10_0135.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000620.htm", "https://www.cdc.gov/niosh/ocas/ocasdose.html" ], "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/00001752.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-W37", "weeks_seen": 14, "affected_pages_csv": "csv/alfa__sia-r113.csv" }, { "instance_id": "VS-a5f105cc", "pattern_id": "VS-f7dba940", "a11y_pattern_fingerprint": "1c93e9884625c58df1f75d0d7efde4fcf270785a22fae3b41f37e862f7fdbeab", "a11y_pattern_display_id": "A11Y-PAT-1C93E9884625", "a11y_occurrence_fingerprint": "b6d738dd71b1d4ae57c8e98119f5d669144ef3c369408e7c0afab17262280802", "a11y_occurrence_display_id": "A11Y-OCC-B6D738DD71B1", "url": "http://www.cdc.gov/rdc", "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": 141, "pages_affected": 82, "total_pages_scanned": 3330 }, "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 82 of 3330 scanned pages (141 instances).", "examples": [ { "url": "http://www.cdc.gov/rdc", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/clinical-standardization-programs/php/cvd/index.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/hepatitis-surveillance-2023/appendix/table-5-4.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/right-to-know/es/php/campaign-home/index.html", "xpath": "", "html_snippet": null }, { "url": "https://www.cdc.gov/right-to-know/es/php/campaign-home/index.html", "xpath": "", "html_snippet": null } ], "example_pages": [ "http://www.cdc.gov/rdc", "https://www.cdc.gov/clinical-standardization-programs/php/cvd/index.html", "https://www.cdc.gov/hepatitis-surveillance-2023/appendix/table-5-4.html" ], "affected_pages": [ "http://www.cdc.gov/rdc", "https://www.cdc.gov/clinical-standardization-programs/php/cvd/index.html", "https://www.cdc.gov/hepatitis-surveillance-2023/appendix/table-5-4.html", "https://www.cdc.gov/right-to-know/es/php/campaign-home/index.html", "https://www.cdc.gov/tobacco/es/tobacco-features/spanish-world-no-tobacco-day.html", "http://www.cdc.gov/tb/es/risk-factors/factores-de-riesgo.html", "https://www.cdc.gov/niosh/publications/es/numbered/2010-138sp.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/measles/es/data-research/index.html", "https://www.cdc.gov/niosh/publications/es/numbered/2009-112sp.html", "https://www.cdc.gov/rdc/other-restricted-data/index.html", "https://www.cdc.gov/bird-flu/video-series/get-h5n1-bird-flu-spanish.html", "http://www.cdc.gov/skin-cancer/es/sun-safety/index.html", "http://www.cdc.gov/ncird/press-form/index.html", "http://www.cdc.gov/cholera/es/hcp/case-definition/index.html", "https://www.cdc.gov/pertussis/es/signs-symptoms/sintomas-de-la-tosferina.html", "http://www.cdc.gov/media/es/releases/2026/los-cdc-activan-su-centro-de-operaciones-de-emergencia-para-la-respuesta-al-brote-de-gusano.html", "https://www.cdc.gov/hepatitis-a/public-resources/outbreak-poster-peh.html", "http://www.cdc.gov/cholera/es/php/laboratories/cholera-clinical-detection.html", "https://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-c/table-3-6.html", "https://www.cdc.gov/comprehensive-cancer-control/success-stories/tribal-member-colorectal-screening-covid19.html", "https://www.cdc.gov/spanish/niosh/hhe/leyes.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/ecoli/outbreaks/rawcheese-03-26/timeline.html", "http://www.cdc.gov/chickenpox/hcp/communication-resources/varicella-diagnosis-fact-sheet.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/foodnet/reports/cidt.html", "https://www.cdc.gov/nccdphp/dnpao/state-local-programs/crosscutting-resources.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 http://www.cdc.gov/rdc.", "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-W37", "weeks_seen": 14, "affected_pages_csv": "csv/alfa__sia-r14.csv" }, { "instance_id": "VS-271c9983", "pattern_id": "VS-9074b4dd", "a11y_pattern_fingerprint": "c042f1c43047e74a3a99fc9cdce9873052ae0bc0103160872e57f7d1ae646b54", "a11y_pattern_display_id": "A11Y-PAT-C042F1C43047", "a11y_occurrence_fingerprint": "00f310fa6ebafeb11d4adeb3201479c93b81c2069081d3c8a6770260e9aa071e", "a11y_occurrence_display_id": "A11Y-OCC-00F310FA6EBA", "url": "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "xpath": "img[height=\"8\"][alt=\" \"][width=\"140\"]", "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": 6794, "pages_affected": 596, "total_pages_scanned": 3330 }, "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 596 of 3330 scanned pages (6794 instances).", "examples": [ { "url": "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "xpath": "img[height=\"8\"][alt=\" \"][width=\"140\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "xpath": "img[height=\"63\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "xpath": "td[bgcolor=\"#000099\"][width=\"50%\"][height=\"19\"]:nth-child(6) > img[width=\"1\"][height=\"1\"][alt=\" \"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00026182.htm", "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]", "html_snippet": "\"" }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00026182.htm", "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]", "html_snippet": "\"" } ], "example_pages": [ "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00026182.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm" ], "affected_pages": [ "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00026182.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm", "https://www.cdc.gov/pcd/issues/2005/jan/04_0105.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5630a4.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "https://www.cdc.gov/mmwr/volumes/66/wr/mm6607md.htm?s_cid=mm6607md_w", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5044a8.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5605a5.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017377.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5318a4.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00040052.htm", "http://www.cdc.gov/pcd/issues/2007/oct/06_0051.htm", "http://www.cdc.gov/pcd/issues/2009/jan/07_0227_zhs.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5444a4.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00015648.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5026md.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001815.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045941.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00018185.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015081.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5846a5.htm", "http://www.cdc.gov/pcd/issues/2009/apr/08_0067.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021729.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/pcd/issues/2010/jul/09_0246.htm.", "Locate the element: img[height=\"8\"][alt=\" \"][width=\"140\"]", "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-W37", "weeks_seen": 14, "affected_pages_csv": "csv/axe-core__image-alt.csv" }, { "instance_id": "VS-4e0e051a", "pattern_id": "VS-a24eaa8c", "a11y_pattern_fingerprint": "08fcf4104776325c4249523ea3a19eb9da7511b09ae3fe405e100fb8fe2dfcd4", "a11y_pattern_display_id": "A11Y-PAT-08FCF4104776", "a11y_occurrence_fingerprint": "e7a6d133ace9a8eb223c5e5953a44078389ab8e9c7add6820e485267682eefb5", "a11y_occurrence_display_id": "A11Y-OCC-E7A6D133ACE9", "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.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": 1532, "pages_affected": 135, "total_pages_scanned": 3330 }, "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 135 of 3330 scanned pages (1532 instances).", "examples": [ { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "xpath": "\"", "html_snippet": null }, { "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "xpath": "\"", "html_snippet": null } ], "example_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5026md.htm" ], "affected_pages": [ "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001752.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5215a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5026md.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001815.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045941.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015081.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5846a5.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00021729.htm", "http://www.cdc.gov/pcd/issues/2010/may/09_0130_es.htm", "http://www.cdc.gov/pcd/issues/2006/oct/05_0009_fr.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5509a5.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00038048.htm", "http://www.cdc.gov/pcd/issues/2009/jan/08_0006_es.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00038177.htm", "https://www.cdc.gov/mmwR/preview/mmwrhtml/rr5707a1.htm", "https://www.cdc.gov/pcd/issues/2006/jan/05_0129_es.htm", "https://www.cdc.gov/pcd/issues/2011/jul/10_0135.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000620.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5006a3.htm", "http://www.cdc.gov/PCD/es/2009_jul_toc.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00018761.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/00000543.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5420a2.htm", "http://www.cdc.gov/mmwr/preview/mmwrhtml/00000450.htm", "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5311md.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/00001752.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-W37", "weeks_seen": 14, "affected_pages_csv": "csv/alfa__sia-r2.csv" }, { "instance_id": "VS-6a8190fe", "pattern_id": "VS-a0bdbdf6", "a11y_pattern_fingerprint": "7a832df19250de8b43dd28696d41cca73e0d24baf8d1d92ad1fbdfb1a0b311da", "a11y_pattern_display_id": "A11Y-PAT-7A832DF19250", "a11y_occurrence_fingerprint": "58861776fc397bf10aa47aa3df41e54fb8660c841c1418c6a41a53177540054c", "a11y_occurrence_display_id": "A11Y-OCC-58861776FC39", "url": "https://www.cdc.gov/pcd/issues/2010/jul/09_0246.htm", "xpath": "ol:nth-child(56)", "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": "