nih.gov: Standards web et métadonnées — semaine 2026-W40
Standards web et métadonnées
Vérifications de standards web, de métadonnées et de sécurité dans l'esprit de ScanGov (méthodologie CC0), exécutées sur l'ensemble de notre scan plutôt que sur la seule page d'accueil.
Part des pages vérifiées qui respectent chaque standard (la plus basse en premier).
Standard
Taux de réussite
Pages
schema.org GovernmentOrganization markup
0%
0/7
hreflang alternates declared
0%
0/7
Open social presence (Mastodon/Bluesky) linked
0%
0/7
Meta description present
86%
6/7
Canonical URL declared
100%
7/7
Page has a <title>
100%
7/7
Character encoding declared
100%
7/7
Document language (lang) set
100%
7/7
Responsive viewport (zoom not disabled)
100%
7/7
Open Graph tags (5/6)
100%
7/7
Twitter card metadata
100%
7/7
sur 7 page(s)
Aucun lien Mastodon/Bluesky détecté sur les pages vérifiées.
Progressive Web Resilience sur 7 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
Résultat
Why it matters
Preuve
Web app manifest declared
✗ 0/7 pages
A web app manifest is required for installability and controls how the app appears when launched.
—
Service worker registered
✗ 0/7 pages
A service worker is what makes offline access, caching, and background sync possible.
—
Theme color declared
✗ 0/7 pages
Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked.
—
Apple touch icon (iOS/bookmark icon)
✗ 0/7 pages
iOS uses this icon for home-screen bookmarks and "Add to Home Screen" — without it the icon falls back to a screenshot.
—
Manifest fetched and parsed successfully
✗ 0/7 pages
A manifest that fails to parse cannot drive installability or launch behavior even if the link is present.