Informations Techniques
| Code de Statut HTTP | 200 |
| Version HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Adresse IP | 18.245.199.36 |
| Logiciel Serveur | Apache/2.4.58 (Ubuntu) |
| CDN | CDN (Hit from cloudfront) |
| Compression | gzip |
|
ℹ 🔵 X-Frame-Options Manquant | Le site peut être intégré dans des iframes par des tiers (risque de clickjacking). |
Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 18.245.199.36
Logiciel Serveur Apache/2.4.58 (Ubuntu)
CDN CDN (Hit from cloudfront)
Compression gzip
ℹ 🔵 X-Frame-Options Manquant Le site peut être intégré dans des iframes par des tiers (risque de clickjacking).
Chaîne de Redirection
| # | URL | Code de Statut HTTP | Statut |
| 1 | https://ck12.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.ck12.org/ | 302 | HTTP/2 302 |
| 3 | https://www.ck12.org/student/ | 200 | HTTP/2 200 |
#1 URL https://ck12.org:443
Code de Statut HTTP 301
Statut HTTP/2 301
#2 URL https://www.ck12.org/
Code de Statut HTTP 302
Statut HTTP/2 302
#3 URL https://www.ck12.org/student/
Code de Statut HTTP 200
Statut HTTP/2 200
Performance
| Résolution DNS | 7 ms |
| Connexion TCP | 8.2 ms |
| Négociation TLS | 7.5 ms |
| Temps Jusqu'au Premier Octet (TTFB) | 22.4 ms |
| Téléchargement du Contenu | 0.1 ms |
| Temps de Réponse Total | 22.5 ms |
Résolution DNS 7 ms
Connexion TCP 8.2 ms
Négociation TLS 7.5 ms
Temps Jusqu'au Premier Octet (TTFB) 22.4 ms
Téléchargement du Contenu 0.1 ms
Temps de Réponse Total 22.5 ms
Sécurité
| HTTPS | ✔ Activé |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ✔ Configuré |
| X-Frame-Options | ⚠ Non configuré |
| X-Content-Type-Options | ✔ nosniff |
| Politique de Référent | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activé
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ✔ Configuré
X-Frame-Options ⚠ Non configuré
X-Content-Type-Options ✔ nosniff
Politique de Référent strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
Vérification SEO Rapide
Titre CK12-Foundation
Technologies Détectées
| Technologie | Google Analytics Apache |
Technologie Google Analytics Apache
En-têtes HTTP
| Content-type
| text/html; charset=utf-8 |
| Date
| Wed, 19 Aug 2026 18:34:59 GMT |
| Server
| Apache/2.4.58 (Ubuntu) |
| Content-encoding
| gzip |
| X-content-type-options
| nosniff |
| Referrer-policy
| strict-origin-when-cross-origin |
| Vary
| Accept-Encoding |
| Via
| 1.1 c1392059c2cdd3077f224e161055cfae.cloudfront.net (CloudFront) |
| Alt-svc
| h3=":443"; ma=86400 |
| Age
| 16027 |
| Content-security-policy
| frame-ancestors 'self' https://*.ck12.org chrome-extension://necpjbiijgficbgfanibojgkcbbooicg; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint; |
| Report-to
| { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] } |
| Reporting-endpoints
| ck12-csp-endpoint="https://csp-report.ck12.org" |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Set-cookie
| flxweb_role=student; Domain=ck12.org; Max-Age=604800; Path=/; expires=Wed, 26-Aug-2026 18:34:59 GMT; secure |
| X-cache
| Hit from cloudfront |
| X-amz-cf-pop
| CDG50-P6 |
| X-amz-cf-id
| quBUi9D489xc-zp3IHyX4AsTkUZNgIJqfyH15_2PXjPvw3BhdJlOXw== |
Balises Meta
| Fb:app_id | 159884644067996 |
| Viewport | width=device-width, initial-scale=1, minimum-scale=1.0 |
| Google-site-verification | wHx0f-Udlfd7ZNYNrIXpJVpjjO8nSH5RE0jIX8V-jIM |
| Application-name | CK-12 Foundation |
| Msapplication-TileColor | #003300 |
| Msapplication-TileImage |  |
Content-type text/html; charset=utf-8
Date Wed, 19 Aug 2026 18:34:59 GMT
Server Apache/2.4.58 (Ubuntu)
Content-encoding gzip
X-content-type-options nosniff
Referrer-policy strict-origin-when-cross-origin
Vary Accept-Encoding
Via 1.1 c1392059c2cdd3077f224e161055cfae.cloudfront.net (CloudFront)
Alt-svc h3=":443"; ma=86400
Age 16027
Content-security-policy frame-ancestors 'self' https://*.ck12.org chrome-extension://necpjbiijgficbgfanibojgkcbbooicg; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Report-to { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
Reporting-endpoints ck12-csp-endpoint="https://csp-report.ck12.org"
Strict-transport-security max-age=31536000; includeSubDomains; preload
Set-cookie flxweb_role=student; Domain=ck12.org; Max-Age=604800; Path=/; expires=Wed, 26-Aug-2026 18:34:59 GMT; secure
X-cache Hit from cloudfront
X-amz-cf-pop CDG50-P6
X-amz-cf-id quBUi9D489xc-zp3IHyX4AsTkUZNgIJqfyH15_2PXjPvw3BhdJlOXw==
