Informations Techniques
| Code de Statut HTTP | 200 |
| Version HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Adresse IP | 52.222.201.100 |
| Logiciel Serveur | Apache/2.4.58 (Ubuntu) |
| CDN | CDN (Hit from cloudfront) |
| Compression | gzip |
|
🔒 🟡 Contenu Mixte (2 ressources HTTP) | La page est servie en HTTPS mais charge 2 ressource(s) en HTTP. Cela peut être bloqué par les navigateurs modernes. |
Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 52.222.201.100
Logiciel Serveur Apache/2.4.58 (Ubuntu)
CDN CDN (Hit from cloudfront)
Compression gzip
🔒 🟡 Contenu Mixte (2 ressources HTTP) La page est servie en HTTPS mais charge 2 ressource(s) en HTTP. Cela peut être bloqué par les navigateurs modernes.
Performance
| Résolution DNS | 6.3 ms |
| Connexion TCP | 7.3 ms |
| Négociation TLS | 7.2 ms |
| Temps Jusqu'au Premier Octet (TTFB) | 29.4 ms |
| Téléchargement du Contenu | 0.4 ms |
| Temps de Réponse Total | 29.8 ms |
Résolution DNS 6.3 ms
Connexion TCP 7.3 ms
Négociation TLS 7.2 ms
Temps Jusqu'au Premier Octet (TTFB) 29.4 ms
Téléchargement du Contenu 0.4 ms
Temps de Réponse Total 29.8 ms
Sécurité
| HTTPS | ✔ Activé |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ✔ Configuré |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Politique de Référent | strict-origin-when-cross-origin |
| Politique de Permissions | ✔ Configuré |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activé
HSTS ✔ max-age=63072000; includeSubDomains; preload
CSP ✔ Configuré
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Politique de Référent strict-origin-when-cross-origin
Politique de Permissions ✔ Configuré
HTTP/2 ⚠ HTTP/1.1
Vérification SEO Rapide
| Titre | California Digital Library |
| Meta Description | The California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission. |
| Canonique | https://cdlib.org/ |
| Robots Meta | max-image-preview:large |
Titre California Digital Library
Meta Description The California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission.
Canonique https://cdlib.org/
Robots Meta max-image-preview:large
Technologies Détectées
| Technologie | WordPress jQuery Google Analytics Cloudflare Apache PHP Matomo |
Technologie WordPress jQuery Google Analytics Cloudflare Apache PHP Matomo
En-têtes HTTP
| Content-type
| text/html; charset=UTF-8 |
| Content-length
| 15902 |
| Date
| Tue, 18 Aug 2026 23:08:40 GMT |
| Content-encoding
| gzip |
| Set-cookie
| AWSALBCORS=GOtzxTIny+zzCtFPqoA8/HMnwHtFZRfgzV2sJy0sTJiyo2XfCAXAMhExF+XtuaGB61oh7ex7C3beOXmbdr/zVfmwK0TxoEkfx3NSeXJgGxVXBYnZzkSCGNES0pk8; Expires=Tue, 25 Aug 2026 23:08:39 GMT; Path=/; SameSite=None; Secure |
| Server
| Apache/2.4.58 (Ubuntu) |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Strict-transport-security
| max-age=63072000; includeSubDomains; preload |
| Referrer-policy
| strict-origin-when-cross-origin |
| Cross-origin-resource-policy
| same-origin |
| Cross-origin-opener-policy
| same-origin |
| Permissions-policy
| camera=(), geolocation=(), microphone=() |
| Content-security-policy
| object-src 'none'; script-src 'nonce-E8KrNjzQ1eWimOR0lxRvu0' 'unsafe-inline' 'strict-dynamic' https: http:; base-uri 'none' |
| Link
| ; rel=shortlink |
| Vary
| Accept-Encoding |
| X-cache
| Hit from cloudfront |
| Via
| 1.1 5330dca0fb4fc616e3711702aab777a8.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P2 |
| X-amz-cf-id
| G_YPX3WFY4bZamGGlo5l-kJOvRnbVDZwFpEKY0PixljhO6iynu28lA== |
| Age
| 122814 |
Balises Meta
| Viewport | width=device-width, initial-scale=1 |
| Description | The California Digital Library exists to support the University of California community’s pursuit of scholarship and to extend the University’s public service mission. |
| Robots | max-image-preview:large |
| Msapplication-TileImage |  |
Content-type text/html; charset=UTF-8
Content-length 15902
Date Tue, 18 Aug 2026 23:08:40 GMT
Content-encoding gzip
Set-cookie AWSALBCORS=GOtzxTIny+zzCtFPqoA8/HMnwHtFZRfgzV2sJy0sTJiyo2XfCAXAMhExF+XtuaGB61oh7ex7C3beOXmbdr/zVfmwK0TxoEkfx3NSeXJgGxVXBYnZzkSCGNES0pk8; Expires=Tue, 25 Aug 2026 23:08:39 GMT; Path=/; SameSite=None; Secure
Server Apache/2.4.58 (Ubuntu)
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Strict-transport-security max-age=63072000; includeSubDomains; preload
Referrer-policy strict-origin-when-cross-origin
Cross-origin-resource-policy same-origin
Cross-origin-opener-policy same-origin
Permissions-policy camera=(), geolocation=(), microphone=()
Content-security-policy object-src 'none'; script-src 'nonce-E8KrNjzQ1eWimOR0lxRvu0' 'unsafe-inline' 'strict-dynamic' https: http:; base-uri 'none'
Link ; rel=shortlink
Vary Accept-Encoding
X-cache Hit from cloudfront
Via 1.1 5330dca0fb4fc616e3711702aab777a8.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P2
X-amz-cf-id G_YPX3WFY4bZamGGlo5l-kJOvRnbVDZwFpEKY0PixljhO6iynu28lA==
Age 122814
