vital-scans open quality ledger

www.cms.gov: week 2026-W28

This is the 2026-W28 ISO-week report (8594 pages fetched, 7459 unique pages audited by axe/Alfa). Generated 2026-07-24. Compared against 2026-W27 (8287 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: 29 required finding type(s) (handling: review). Aspirational queue: 0 finding type(s). Advisory queue: 0 finding type(s). Unmapped review queue: 14 finding type(s).

Change this week

New this week
0
Fixed this week
1
Regressed this week
7

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 3699 — 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 3695 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73 pages (CSV)
Form field label is visible (WCAG criterion undetermined) (rule↗) Moderate 3656 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61 pages (CSV)
Headings are structured hierarchically (WCAG criterion undetermined) (rule↗) Moderate 1654 — Use headings in a logical, non-skipping order. pages (CSV)
Text has enhanced contrast (WCAG 1.4.6) (rule↗) Moderate 1624 — Increase text contrast to meet WCAG AAA (7:1). pages (CSV)
Link is distinguishable without relying on color (WCAG 1.4.8) (rule↗) Moderate 1622 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r74 pages (CSV)
Accessible name of link or button matches visible label (WCAG 2.5.3) (rule↗) Moderate 1621 Without vision, Without speech See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14 pages (CSV)
Links must be distinguishable without relying on color (WCAG 1.4.1) (rule↗) Serious 1003 Without color perception, Limited vision See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI pages (CSV)

Progress

Open findings by severity over 5 weeks (lower is better)
Critical Serious Moderate Minor W24W26W28470
Open findings by severity, by week
WeekCriticalSeriousModerateMinor
2026-W2417303
2026-W25211423
2026-W26510473
2026-W27210453
2026-W28510433

Fixed this week

Dropped from this week's sample

These stopped appearing in scan results, but their pages were not re-checked this week — this is not a confirmed fix.

This week at a glance 61 issue type(s)

Median axe violations / page
0
Pages with axe violations
2290 of 7459
Median Alfa failures / page
65
Pages with Alfa failures
3699 of 3699
Unique pages audited
7459
Lighthouse performance (median)
57/100 752 sampled details
Lighthouse SEO (median)
100/100
Lighthouse best practices (median)
96/100
Lighthouse agentic (median)
98/100
Words per page (median)
983 main content, nav excluded
Reading ease (median)
41 1742 prose pages
Reading grade (median)
14
Misspellings
25+ distinct details
Broken links
2386 details
Median page weight
1.8 MB +33 KB worse
Median requests per page
44
Estimated energy per page (mean)
0.6595 Wh

Note: page counts differ between weeks (8287 → 8594). Prefer the "pages affected" columns over raw instance counts when comparing.

Scan coverage this week (8594 pages · 7606 succeeded of 7711 attempted)
Pages each engine ran on, per the configured weekly sampling rates.
EnginePagesCoverage
axe745987%
resources745987%
standards378944%
alfa369943%
plain-language364342%
sustainability7929%
deprecated-html7629%
lighthouse7529%
tech7439%
security7108%

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

Changes since 2026-W27 18 change(s)

axe-core

  • New: image-alt appeared this week.
  • New: aria-allowed-attr appeared this week.
  • Resolved: landmark-main-is-top-level no longer fails on any scanned page.
  • Resolved: landmark-no-duplicate-main no longer fails on any scanned page.
  • Resolved: select-name no longer fails on any scanned page.
  • Resolved: aria-input-field-name no longer fails on any scanned page.

Alfa

  • New: sia-r45 appeared this week.
  • Resolved: sia-r76 no longer fails on any scanned page.
  • Resolved: sia-r20 no longer fails on any scanned page.
  • Resolved: sia-r47 no longer fails on any scanned page.
  • Resolved: sia-r7 no longer fails on any scanned page.
  • sia-r66 spread: 1336 → 1624 pages affected (rate: 40% → 44% of pages scanned).
  • sia-r53 spread: 1294 → 1654 pages affected (rate: 39% → 45% of pages scanned).
  • sia-r78 spread: 387 → 614 pages affected (rate: 12% → 17% of pages scanned).
  • sia-r74 spread: 1332 → 1622 pages affected (rate: 40% → 44% of pages scanned).
  • sia-r14 spread: 1334 → 1621 pages affected (rate: 40% → 44% of pages scanned).
  • sia-r46 spread: 109 → 195 pages affected (rate: 3% → 5% of pages scanned).
  • sia-r113 spread: 366 → 538 pages affected (rate: 11% → 15% 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 (12656)

16810 distinct resources, by type.
TypeCount
PDF documents8423
Iframes5823
Archives (zip, etc.)2077
Spreadsheets348
Word/text documents41
Presentations34
Images24
Audio files16
Video files14
Embedded media players10