vital-scans open kwaliteitsregister

data.medicaid.gov: Webstandaarden en metadata — week 2026-W40

Webstandaarden en metadata

Controles van webstandaarden, metadata en beveiliging in de geest van ScanGov (methodologie CC0), uitgevoerd over onze hele scan in plaats van alleen de homepage.

Aandeel gecontroleerde pagina's dat aan elke standaard voldoet (laagste eerst).
StandaardSlaagpercentagePagina's
schema.org GovernmentOrganization markup0%0/1004
hreflang alternates declared0%0/1004
Twitter card metadata0%0/1004
Open social presence (Mastodon/Bluesky) linked0%0/1004
Canonical URL declared100%1004/1004
Page has a <title>100%1004/1004
Meta description present100%1004/1004
Character encoding declared100%1004/1004
Document language (lang) set100%1004/1004
Responsive viewport (zoom not disabled)100%1004/1004
Open Graph tags (6/6)100%1004/1004

over 1004 pagina('s)

Geen Mastodon-/Bluesky-links gedetecteerd op de gecontroleerde pagina's.

Progressive Web Resilience over 1004 pagina('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).
CapabilityResultaatWhy it mattersBewijs
Web app manifest declared ✗ 0/1004 pages A web app manifest is required for installability and controls how the app appears when launched. —
Service worker registered ✗ 0/1004 pages A service worker is what makes offline access, caching, and background sync possible. —
Theme color declared ✗ 0/1004 pages Theme color controls the browser chrome/status-bar color when the site is installed or bookmarked. —
Apple touch icon (iOS/bookmark icon) ✗ 0/1004 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 ✗ 0/1004 pages A manifest that fails to parse cannot drive installability or launch behavior even if the link is present. No manifest declared
Manifest declares a maskable icon ✗ 0/1004 pages A maskable icon lets the OS safely crop/mask the app icon on different device shapes without clipping content. No manifest declared
Service worker is active (not just registered) ✗ 0/1004 pages An active service worker (not just registered) is what actually intercepts requests and serves cached content. —
Service worker controls this page load ✗ 0/1004 pages A controlling service worker means THIS page load is being served/intercepted, not just a future one. —
Meets basic installability criteria ✗ 0/1004 pages Determines whether the browser can realistically offer "Add to Home Screen" / install, based on manifest + service worker + HTTPS together. no readable web app manifest; no service worker registered
HTTPS (required for service workers) ✓ 1004/1004 pages HTTPS is required for service workers and most install prompts. —