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www.medicare.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).
StandardTaux de réussitePages
schema.org GovernmentOrganization markup0%3/1016
Open social presence (Mastodon/Bluesky) linked0%0/1016
Meta description present52%528/1016
Canonical URL declared85%866/1016
hreflang alternates declared85%866/1016
Open Graph tags (5/6)85%866/1016
Twitter card metadata85%866/1016
Page has a <title>100%1016/1016
Character encoding declared100%1016/1016
Document language (lang) set100%1016/1016
Responsive viewport (zoom not disabled)100%1016/1016

sur 1016 page(s)

Aucun lien Mastodon/Bluesky détecté sur les pages vérifiées.

Progressive Web Resilience sur 1016 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).
CapabilityRésultatWhy it mattersPreuve
Service worker registered ✗ 0/1016 pages A service worker is what makes offline access, caching, and background sync possible. —
Manifest declares a maskable icon ✗ 0/1016 pages A maskable icon lets the OS safely crop/mask the app icon on different device shapes without clipping content. No icon with purpose "maskable"
Service worker is active (not just registered) ✗ 0/1016 pages An active service worker (not just registered) is what actually intercepts requests and serves cached content. —
Service worker controls this page load ✗ 0/1016 pages A controlling service worker means THIS page load is being served/intercepted, not just a future one. —
Meets basic installability criteria ✗ 0/1016 pages Determines whether the browser can realistically offer "Add to Home Screen" / install, based on manifest + service worker + HTTPS together. no 192x192 or larger icon declared; no service worker registered
Web app manifest declared ~ 149/1016 pages A web app manifest is required for installability and controls how the app appears when launched. —
Theme color declared ~ 149/1016 pages Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked. #000000
Manifest fetched and parsed successfully ~ 149/1016 pages A manifest that fails to parse cannot drive installability or launch behavior even if the link is present. display=standalone, start_url=.
Apple touch icon (iOS/bookmark icon) ~ 1005/1016 pages iOS uses this icon for home-screen bookmarks and "Add to Home Screen" — without it the icon falls back to a screenshot. —
HTTPS (required for service workers) ✓ 1016/1016 pages HTTPS is required for service workers and most install prompts. —