www.cms.gov: Web standards & metadata — week 2026-W35
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%
0/2020
Open social presence (Mastodon/Bluesky) linked
0%
0/2020
Open Graph tags (0/6)
3%
58/2020
Twitter card metadata
3%
58/2020
schema.org GovernmentOrganization markup
6%
113/2020
Canonical URL declared
44%
886/2020
Meta description present
69%
1393/2020
Character encoding declared
93%
1885/2020
Document language (lang) set
93%
1885/2020
Responsive viewport (zoom not disabled)
93%
1885/2020
Page has a <title>
100%
2020/2020
across 2020 page(s)
No Mastodon/Bluesky links detected on checked pages.
Progressive Web Resilience across 2020 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
✗ 0/2020 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/2020 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 1/2020 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.