vital-scans open quality ledger

www.medicare.gov: week 2026-W31

This is the 2026-W31 ISO-week report (1968 pages fetched, 1920 unique pages audited by axe/Alfa). Generated 2026-07-28. Compared against 2026-W30 (1953 fetched). The dashboard headline uses a rolling last-7-days window; this page is the full ISO week. Machine-readable API: snapshot.json · findings.json.

Primary standards queue: 0 required finding type(s) (handling: report). Verification queue: 4 required finding type(s) (handling: review). Aspirational queue: 0 finding type(s). Advisory queue: 0 finding type(s). Unmapped review queue: 7 finding type(s).

New this week
0
Fixed this week
0
Regressed this week
1

Fix these first

Highest-leverage issues, ranked by pages affected × severity × people reached. Fixing a shared component often clears many pages at once. Issue links go to the full bug detail on the Accessibility page.

Top 8 issues to prioritize this week.
IssueSeverityPagesWho it affectsHow to fixEvidence
All page content should be contained by landmarks (WCAG criterion undetermined) (rule↗) Moderate 792 — Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region. pages (CSV)
Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5) (rule↗) Moderate 486 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111 pages (CSV)
Text has minimum contrast ratio of 4.5:1 (WCAG 1.4.8) (rule↗) Moderate 478 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73 pages (CSV)
aria-hidden element does not contain focusable elements (WCAG 4.1.2) (rule↗) Moderate 405 Without vision, Limited vision See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17 pages (CSV)
Scrolling content can be accessed by keyboard (WCAG criterion undetermined) (rule↗) Moderate 186 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57 pages (CSV)
Table header has scope (WCAG criterion undetermined) (rule↗) Moderate 127 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78 pages (CSV)
Heading levels should only increase by one (WCAG criterion undetermined) (rule↗) Moderate 40 — Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size. pages (CSV)
Text has enhanced contrast (WCAG 1.4.6) (rule↗) Moderate 31 — Increase text contrast to meet WCAG AAA (7:1). pages (CSV)

Progress

Open findings by severity over 8 weeks (lower is better)
Serious Moderate Minor W24W27W31180

This week at a glance 20 issue type(s)
Median axe violations / page
0
Pages with axe violations
824 of 1920
Median Alfa failures / page
48
Pages with Alfa failures
487 of 487
Unique pages audited
1920
Lighthouse performance (median)
41/100 182 sampled details
Lighthouse SEO (median)
92/100
Lighthouse best practices (median)
54/100
Lighthouse agentic (median)
100/100
Words per page (median)
201 main content, nav excluded
Reading ease (median)
40 580 prose pages
Reading grade (median)
14
Misspellings
25+ distinct details
Broken links
24 details
Median page weight
7.1 MB +45 KB worse
Median requests per page
107
Estimated energy per page (mean)
2.2207 Wh

Note: page counts differ between weeks (1953 → 1968). Prefer the "pages affected" columns over raw instance counts when comparing.

Scan coverage this week (1968 pages · 1920 succeeded of 1928 attempted)
Pages each engine ran on, per the configured weekly sampling rates.
EnginePagesCoverage
axe192098%
resources192098%
plain-language94748%
standards93948%
alfa48725%
deprecated-html19710%
lighthouse1839%
tech1729%
security1709%
sustainability1508%

History & Trends → Severity, Lighthouse and other measures across 17 weeks.

Changes since 2026-W30 5 change(s)

axe-core

  • region spread: 3 → 792 pages affected (rate: 0% → 41% of pages scanned).

Alfa

  • New: sia-r80 appeared this week.
  • sia-r78 spread: 125 → 127 pages affected (rate: 28% → 26% of pages scanned).
  • sia-r17 spread: 383 → 405 pages affected (rate: 86% → 83% of pages scanned).
  • sia-r57 spread: 2 → 186 pages affected (rate: 0% → 38% of pages scanned).

Embedded & linked resources

Non-HTML resources this site links to or embeds — PDFs, Office documents, iframes, and media. The site owner is responsible for their accessibility too. Full inventory with first-seen dates: CSV.

New this week (194)

1503 distinct resources, by type.
TypeCount
PDF documents1250
Iframes197
Audio files54
Images1
Archives (zip, etc.)1