www.cms.gov: Web standards & metadata — week 2026-W32
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%
0/1608
Open Graph tags (0/6)
0%
0/1608
Twitter card metadata
0%
0/1608
Open social presence (Mastodon/Bluesky) linked
0%
0/1608
schema.org GovernmentOrganization markup
8%
129/1608
Canonical URL declared
49%
791/1608
Meta description present
71%
1145/1608
Character encoding declared
98%
1574/1608
Document language (lang) set
98%
1574/1608
Responsive viewport (zoom not disabled)
98%
1573/1608
Page has a <title>
100%
1608/1608
across 1608 page(s)
No Mastodon/Bluesky links detected on checked pages.
Progressive Web Resilience across 1608 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
✗ 0/1608 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/1608 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 0/1608 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.
—
Manifest fetched and parsed successfully
✗ 0/1608 pages
A manifest that fails to parse cannot drive installability or launch behavior even if the link is present.