www.cms.gov: Web standards & metadata — week 2026-W34
Web standards & metadata
Web-standards, metadata, and security checks in the spirit of ScanGov (methodology CC0), run across our scan rather than only the homepage.
Share of checked pages passing each standard (lowest first).
Standard
Pass rate
Pages
hreflang alternates declared
0%
0/1535
Open Graph tags (0/6)
0%
1/1535
Twitter card metadata
0%
1/1535
Open social presence (Mastodon/Bluesky) linked
0%
0/1535
schema.org GovernmentOrganization markup
6%
86/1535
Canonical URL declared
44%
682/1535
Meta description present
70%
1077/1535
Character encoding declared
95%
1462/1535
Document language (lang) set
95%
1462/1535
Responsive viewport (zoom not disabled)
95%
1462/1535
Page has a <title>
100%
1535/1535
across 1535 page(s)
No Mastodon/Bluesky links detected on checked pages.
Progressive Web Resilience across 1535 page(s)
Capabilities that keep the site useful under real-world conditions — unreliable connectivity, interrupted sessions, mobile install. Not a compliance score: each row is independent evidence.
Progressive Web Resilience signals (lowest pass rate first).
Capability
Result
Why it matters
Evidence
Web app manifest declared
✗ 0/1535 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/1535 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 1/1535 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.