Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 145.20.124.148 |
| Server Software | Apache |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 145.20.124.148
Server Software Apache
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://ou.nl:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.ou.nl/ | 200 | HTTP/1.1 200 200 |
#1 URL https://ou.nl:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.ou.nl/
HTTP Status Code 200
Status HTTP/1.1 200 200
Performance
| DNS Lookup | 52.2 ms |
| TCP Connect | 71.1 ms |
| TLS Handshake | 48.8 ms |
| Time To First Byte (TTFB) | 319.2 ms |
| Content Download | 18.6 ms |
| Total Response Time | 337.8 ms |
DNS Lookup 52.2 ms
TCP Connect 71.1 ms
TLS Handshake 48.8 ms
Time To First Byte (TTFB) 319.2 ms
Content Download 18.6 ms
Total Response Time 337.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31556952; includeSubDomains |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31556952; includeSubDomains
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Homepage - Open Universiteit - Open Universiteit |
| Open Graph Title | Homepage - Open Universiteit - Open Universiteit |
| Open Graph Description | Universitair studeren, zoals jij dat wilt. Van korte studie tot volledige bachelor en master. Persoonlijk en online, prima te combineren met werk en privé. |
Title Homepage - Open Universiteit - Open Universiteit
Open Graph Title Homepage - Open Universiteit - Open Universiteit
Open Graph Description Universitair studeren, zoals jij dat wilt. Van korte studie tot volledige bachelor en master. Persoonlijk en online, prima te combineren met werk en privé.
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Apache Node.js |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Apache Node.js
HTTP Headers
| Date
| Wed, 29 Jul 2026 16:00:22 GMT |
| Server
| Apache |
| Feature-Policy
| microphone 'self'; camera 'self'; |
| Referrer-Policy
| strict-origin-when-cross-origin |
| X-frame-options
| SAMEORIGIN |
| X-Content-Type-Options
| nosniff |
| X-Frame-Options
| SAMEORIGIN |
| X-XSS-Protection
| 1; mode=block |
| Expires
| Thu, 01 Jan 1970 00:00:00 GMT |
| Cache-Control
| private, no-cache, no-store, must-revalidate |
| Pragma
| no-cache |
| Vary
| Accept-Encoding |
| Content-Encoding
| gzip |
| Content-Length
| 23681 |
| Content-Type
| text/html;charset=UTF-8 |
| Strict-Transport-Security
| max-age=31556952; includeSubDomains |
Meta Tags
| X-ua-compatible | ie=edge,chrome=1 |
| Viewport | width=device-width, initial-scale=1 |
| Google-site-verification | e_KxBfmPGlleXRxKSxtt_Lu61bOIRb5JCzMsWCux0E0 |
| Msapplication-TileColor | #ffffff |
| Msapplication-TileImage |  |
| Theme-color | #ffffff |
Date Wed, 29 Jul 2026 16:00:22 GMT
Server Apache
Feature-Policy microphone 'self'; camera 'self';
Referrer-Policy strict-origin-when-cross-origin
X-frame-options SAMEORIGIN
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-XSS-Protection 1; mode=block
Expires Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control private, no-cache, no-store, must-revalidate
Pragma no-cache
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 23681
Content-Type text/html;charset=UTF-8
Strict-Transport-Security max-age=31556952; includeSubDomains
