Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.15.226 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.18.15.226
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://openclassrooms.com:443 | 302 | HTTP/2 302 |
| 2 | https://openclassrooms.com/en/ | 200 | HTTP/2 200 |
#1 URL https://openclassrooms.com:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://openclassrooms.com/en/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 1.1 ms |
| TCP Connect | 3 ms |
| TLS Handshake | 10.8 ms |
| Time To First Byte (TTFB) | 76.3 ms |
| Content Download | 0.4 ms |
| Total Response Time | 76.7 ms |
DNS Lookup 1.1 ms
TCP Connect 3 ms
TLS Handshake 10.8 ms
Time To First Byte (TTFB) 76.3 ms
Content Download 0.4 ms
Total Response Time 76.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Title OpenClassrooms
Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare Hotjar HubSpot |
Technology Google Analytics Google Tag Manager Cloudflare Hotjar HubSpot
HTTP Headers
| Date
| Thu, 23 Jul 2026 14:45:30 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Cache-control
| max-age=0, must-revalidate, private |
| Expires
| Thu, 23 Jul 2026 14:45:30 GMT |
| Server-timing
| cfEdge;dur=5,cfOrigin;dur=51 |
| Cf-cache-status
| DYNAMIC |
| Vary
| accept-encoding |
| Content-encoding
| gzip |
| Cf-ray
| a1fb781f9da4d13d-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Application-name | OpenClassrooms |
| Msapplication-TileColor | #7451eb |
| Msapplication-TileImage |  |
| Theme-color | #7451eb |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | default |
| Apple-mobile-web-app-title | OpenClassrooms |
Date Thu, 23 Jul 2026 14:45:30 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Cache-control max-age=0, must-revalidate, private
Expires Thu, 23 Jul 2026 14:45:30 GMT
Server-timing cfEdge;dur=5,cfOrigin;dur=51
Cf-cache-status DYNAMIC
Vary accept-encoding
Content-encoding gzip
Cf-ray a1fb781f9da4d13d-CDG
Alt-svc h3=":443"; ma=86400
