vital-scans open quality ledger

nih.gov: week 2026-W27

This is the 2026-W27 ISO-week report (103 pages fetched, 1 unique pages audited by axe/Alfa). Generated 2026-07-18. Compared against 2026-W26 (103 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: 1 required finding type(s) (handling: review). Aspirational queue: 0 finding type(s). Advisory queue: 0 finding type(s). Unmapped review queue: 0 finding type(s).

Change this week

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 3 issues to prioritize this week.
IssueSeverityPagesWho it affectsHow to fixEvidence
Links must be distinguishable without relying on color (WCAG 1.4.1) (rule↗) Serious 1 Without color perception, Limited vision See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI pages (CSV)
Heading levels should only increase by one (WCAG criterion undetermined) (rule↗) Moderate 1 — Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size. pages (CSV)
All page content should be contained by landmarks (WCAG criterion undetermined) (rule↗) Moderate 1 — Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region. pages (CSV)

Progress

Open findings by severity over 3 weeks (lower is better)
Serious Moderate Minor W25W26W27120
Open findings by severity, by week
WeekSeriousModerateMinor
2026-W251121
2026-W26180
2026-W27120

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 3 issue type(s)

Median axe violations / page
3
Pages with axe violations
1 of 1
Median Alfa failures / page
n/a
Pages with Alfa failures
0 of 0
Unique pages audited
1
Median page weight
65 KB no change
Median requests per page
7
Estimated energy per page (mean)
0.0199 Wh
Scan coverage this week (103 pages · 1 succeeded of 103 attempted)
Pages each engine ran on, per the configured weekly sampling rates.
EnginePagesCoverage
sustainability1111%
axe11%
resources11%

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

Changes since 2026-W26 8 change(s)

axe-core

  • New: heading-order appeared this week.

Alfa

  • Resolved: sia-r66 no longer fails on any scanned page.
  • Resolved: sia-r73 no longer fails on any scanned page.
  • Resolved: sia-r62 no longer fails on any scanned page.
  • Resolved: sia-r18 no longer fails on any scanned page.
  • Resolved: sia-r61 no longer fails on any scanned page.
  • Resolved: sia-r57 no longer fails on any scanned page.
  • Resolved: sia-r111 no longer fails on any scanned page.