www.cms.gov: Web standards & metadata — week 2026-W36
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%
0/1074
Open social presence (Mastodon/Bluesky) linked
0%
0/1074
Open Graph tags (0/6)
4%
45/1074
Twitter card metadata
4%
46/1074
schema.org GovernmentOrganization markup
5%
50/1074
Canonical URL declared
45%
481/1074
Meta description present
68%
726/1074
Character encoding declared
92%
989/1074
Document language (lang) set
92%
990/1074
Responsive viewport (zoom not disabled)
92%
990/1074
Page has a <title>
100%
1074/1074
across 1074 page(s)
No Mastodon/Bluesky links detected on checked pages.
Progressive Web Resilience across 1074 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
✗ 0/1074 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/1074 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 1/1074 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.