vital-scans open quality ledger

www.medicare.gov: week 2026-W28

This is the 2026-W28 ISO-week report (1591 pages fetched, 1573 unique pages audited by axe/Alfa). Generated 2026-07-24. Compared against 2026-W27 (1175 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: 6 finding type(s).

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

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
Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5) (rule↗) Moderate 776 — 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 760 — 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 674 Without vision, Limited vision See remediation guidance: https://alfa.siteimprove.com/rules/sia-r17 pages (CSV)
Table header has scope (WCAG criterion undetermined) (rule↗) Moderate 265 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78 pages (CSV)
Text has enhanced contrast (WCAG 1.4.6) (rule↗) Moderate 53 — Increase text contrast to meet WCAG AAA (7:1). pages (CSV)
Heading levels should only increase by one (WCAG criterion undetermined) (rule↗) Moderate 38 — Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size. pages (CSV)
First focusable element is link to main content (WCAG criterion undetermined) (rule↗) Moderate 26 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r87 pages (CSV)
Text has sufficient color contrast (Enhanced) (WCAG 1.4.3) (rule↗) Moderate 19 Limited vision, Without color perception Increase text contrast to meet WCAG AA (4.5:1, or 3:1 for large text). pages (CSV)

Progress

Open findings by severity over 5 weeks (lower is better)
Serious Moderate Minor W24W26W28170

This week at a glance 19 issue type(s)
Median axe violations / page
0
Pages with axe violations
62 of 1573
Median Alfa failures / page
50
Pages with Alfa failures
776 of 776
Unique pages audited
1573
Lighthouse performance (median)
38/100 162 sampled details
Lighthouse SEO (median)
92/100
Lighthouse best practices (median)
54/100
Lighthouse agentic (median)
100/100
Words per page (median)
258 main content, nav excluded
Reading ease (median)
39 522 prose pages
Reading grade (median)
15
Misspellings
25+ distinct details
Broken links
27 details
Median page weight
7.0 MB -10 KB better
Median requests per page
107
Estimated energy per page (mean)
2.2305 Wh

Note: page counts differ between weeks (1175 → 1591). Prefer the "pages affected" columns over raw instance counts when comparing.

Scan coverage this week (1591 pages · 1573 succeeded of 1580 attempted)
Pages each engine ran on, per the configured weekly sampling rates.
EnginePagesCoverage
axe157399%
resources157399%
standards80451%
plain-language79650%
alfa77649%
tech17611%
lighthouse16210%
deprecated-html16210%
sustainability1509%
security1449%

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

Changes since 2026-W27 2 change(s)

axe-core

No rule-level changes.

Alfa

  • sia-r78 spread: 175 → 265 pages affected (rate: 31% → 34% of pages scanned).
  • sia-r17 spread: 471 → 674 pages affected (rate: 83% → 87% 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 (467)

1374 distinct resources, by type.
TypeCount
PDF documents1121
Iframes197
Audio files54
Images1
Archives (zip, etc.)1