vital-scans open quality ledger

nih.gov: week 2026-W25

This is the 2026-W25 ISO-week report (103 pages fetched, 6 unique pages audited by axe/Alfa). Generated 2026-07-12. First recorded week; no comparison yet. 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: 3 required finding type(s) (handling: review). Aspirational queue: 0 finding type(s). Advisory queue: 0 finding type(s). Unmapped review queue: 4 finding type(s).

Change this week

New this week
14
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
Links must be distinguishable without relying on color (WCAG 1.4.1) (rule↗) Serious 6 Without color perception, Limited vision See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI pages (CSV)
All page content should be contained by landmarks (WCAG criterion undetermined) (rule↗) Moderate 5 — Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region. pages (CSV)
Heading levels should only increase by one (WCAG criterion undetermined) (rule↗) Moderate 3 — 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 2 — Increase text contrast to meet WCAG AAA (7:1). pages (CSV)
Text has minimum contrast ratio of 4.5:1 (WCAG 1.4.8) (rule↗) Moderate 2 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73 pages (CSV)
Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5) (rule↗) Moderate 2 — See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111 pages (CSV)
Page should contain a level-one heading (WCAG criterion undetermined) (rule↗) Moderate 2 — See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI pages (CSV)
aria attribute is permitted for element role (WCAG criterion undetermined) (rule↗) Moderate 2 — Only use ARIA states/properties that are allowed on this element/role. pages (CSV)

Progress

This week at a glance 14 issue type(s)

Median axe violations / page
3
Pages with axe violations
6 of 6
Median Alfa failures / page
99
Pages with Alfa failures
2 of 2
Unique pages audited
6
Words per page (median)
275 main content, nav excluded
Reading ease (median)
43 4 prose pages
Reading grade (median)
12
Misspellings
22+ distinct details
Broken links
3 details
Median page weight
65 KB
Median requests per page
7
Estimated energy per page (mean)
0.0572 Wh
Scan coverage this week (103 pages)
Pages each engine ran on, per the configured weekly sampling rates.
EnginePagesCoverage
sustainability2322%
axe66%
resources66%
plain-language55%
standards44%
alfa22%
security11%

History & Trends → Severity, Lighthouse and other measures across 16 weeks.