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data.healthcare.gov: Lighthouse — semaine 2026-W40

147 pages échantillonnées par Google Lighthouse (son propre Chrome sans interface). Les scores vont de 0 à 100 (plus c'est haut, mieux c'est) ; les métriques sont les Core Web Vitals. Télécharger : CSV (scores par page) · JSON (prêt pour l'IA, inclut des recommandations) · CSV des pages prioritaires · JSON des pages prioritaires.

Tendance

Scores par catégorie Lighthouse sur 17 semaines
Performance Accessibilité Bonnes pratiques SEO W24W32W401000

History & Trends → Severity, Lighthouse and other measures across 17 weeks.

Impact sur la performance

How far pages fall short of Google's "good" benchmarks: Largest Contentful Paint ≤ 2.5s and page weight ≤ 1.6 MB. Lower is better.

Avg extra LCP over 2.5s
13.1s 147/147 pages over
Avg extra weight over 1.6 MB
1.30 MB 146/146 pages over

Set page_loads_per_week for this target to also estimate total wasted time and data (the way daily-dap uses traffic counts).

Médianes sur les pages échantillonnées

Performance
15/100
Accessibilité
97/100
Bonnes pratiques
100/100
SEO
100/100
Navigation agentique
53/100
Plus grand affichage de contenu (LCP)
15.6s
Premier affichage de contenu (FCP)
10.4s
Indice de vitesse
10.4s
Temps de blocage total
0.8s
Décalage cumulatif de la mise en page
0.688

Recommandations

Problèmes signalés par Lighthouse sur les 147 page(s) échantillonnée(s), au-delà des scores principaux — regroupés par catégorie et classés selon le nombre de pages concernées. Les économies estimées (octets transférés ou temps de chargement) sont les propres estimations de Lighthouse lorsqu'elles sont disponibles. Les audits d'accessibilité sont volontairement omis ; ils recoupent les constats d'axe-core sur la page Accessibilité.

Performance

Performance recommandations de Lighthouse, par pages échantillonnées concernées.
RecommandationPagesÉconomie est.
Reduce unused JavaScript 147/147 172.9 MB · 859.0s
Render-blocking requests 147/147 395.6s
Reduce unused CSS 147/147 15.7 MB · 108.3s
First Contentful Paint 147/147 —
Largest Contentful Paint 147/147 —
Speed Index 147/147 —
Time to Interactive 147/147 —
Page prevented back/forward cache restoration 147/147 —
Network dependency tree 147/147 —
Font display 144/147 9.3s
Reduce JavaScript execution time 142/147 122.5s
Minimize main-thread work 141/147 125.0s
Max Potential First Input Delay 120/147 —
Layout shift culprits 116/147 —
Total Blocking Time 114/147 —
Use efficient cache lifetimes 101/147 19.1s
Improve image delivery 101/147 15.3s
Legacy JavaScript 68/147 11.8s
Forced reflow 27/147 —
Initial server response time was short 13/147 1.9s
LCP breakdown 3/147 —
Document request latency 1/147 0.7s

Bonnes pratiques

Bonnes pratiques recommandations de Lighthouse, par pages échantillonnées concernées.
RecommandationPagesÉconomie est.
Missing source maps for large first-party JavaScript 147/147 —
Uses third-party cookies 15/147 —
Issues were logged in the `Issues` panel in Chrome Devtools 15/147 —
Browser errors were logged to the console 1/147 —

SEO

SEO recommandations de Lighthouse, par pages échantillonnées concernées.
RecommandationPagesÉconomie est.
Links are not crawlable 12/147 —
Links do not have descriptive text 11/147 —
Document does not have a valid `rel=canonical` 3/147 —

Agentique (prêt pour l'IA)

Agentique (prêt pour l'IA) recommandations de Lighthouse, par pages échantillonnées concernées.
RecommandationPagesÉconomie est.
WebMCP tools registered 147/147 —
WebMCP form coverage 147/147 —
WebMCP schemas are valid 147/147 —
llms.txt follows recommendations 147/147 —
Cumulative Layout Shift 116/147 —
Accessibility tree is not well-formed 16/147 —

Ce que signifie le score Agentique

Le score Agentique (prêt pour l'IA) est nouveau dans Google Lighthouse (13.4+). Il mesure dans quelle mesure une page fonctionne pour les agents et assistants IA — les outils qui interviennent de plus en plus dans la façon dont les gens trouvent et utilisent les services publics. Il vérifie des éléments comme un fichier llms.txt (un guide lisible par machine pour les modèles de langage), des données structurées valides, un arbre d'accessibilité bien formé que les agents peuvent analyser, et des descriptions d'outils/formulaires WebMCP. Un score plus élevé signifie qu'un assistant IA a plus de chances de comprendre la page et d'accomplir correctement des tâches au nom d'un citoyen.

C'est expérimental et en évolution ; considérez-le comme un signal prospectif, pas comme une exigence de conformité. Médiane sur les pages échantillonnées : 53/100.

Lacunes trouvées sur les pages échantillonnées : WebMCP tools registered (147), WebMCP form coverage (147), WebMCP schemas are valid (147), llms.txt follows recommendations (147), Cumulative Layout Shift (116), Accessibility tree is not well-formed (16).

Résultats par page

Scores Lighthouse et Core Web Vitals par page échantillonnée (2026-W40). Agentique = score expérimental de navigation agentique. La préparation PWA / hors ligne est suivie dans l'onglet Standards (Lighthouse 12+ a supprimé la catégorie PWA). — cliquez sur un en-tête de colonne pour trier
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/dataset/cpmk-xcsy12971001005110.2s16.1s10.2s0.8s1.205
/dataset/gtdq-nxgh7971001005310.3s14.3s10.3s1.4s0.791
/ab-registration-completion-list33971001007810.2s15.0s10.2s0.5s0.219
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/dataset/e8uy-7rnp15971001006410.2s14.3s10.2s1.1s0.373
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