www.cms.gov: Web standards & metadata — week 2026-W31
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%
0/2255
Open Graph tags (0/6)
0%
1/2255
Twitter card metadata
0%
1/2255
Open social presence (Mastodon/Bluesky) linked
0%
0/2255
schema.org GovernmentOrganization markup
4%
92/2255
Meta description present
44%
995/2255
Canonical URL declared
69%
1567/2255
Character encoding declared
99%
2230/2255
Document language (lang) set
99%
2230/2255
Responsive viewport (zoom not disabled)
99%
2230/2255
Page has a <title>
100%
2255/2255
across 2255 page(s)
No Mastodon/Bluesky links detected on checked pages.
Progressive Web Resilience across 2255 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
✗ 0/2255 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/2255 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 1/2255 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.