Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 134.99.128.238 |
| Server Software | Apache |
| Compression | gzip |
|
🔒 🟡 Mixed Content (4 HTTP resources) | The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 134.99.128.238
Server Software Apache
Compression gzip
🔒 🟡 Mixed Content (4 HTTP resources) The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers.
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://uni-duesseldorf.de:443 | 302 | HTTP/1.1 302 Found |
| 2 | https://www.hhu.de/ | 200 | HTTP/1.1 200 OK |
#1 URL https://uni-duesseldorf.de:443
HTTP Status Code 302
Status HTTP/1.1 302 Found
#2 URL https://www.hhu.de/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 38 ms |
| TCP Connect | 54.1 ms |
| TLS Handshake | 38.1 ms |
| Time To First Byte (TTFB) | 117.3 ms |
| Content Download | 47.9 ms |
| Total Response Time | 165.2 ms |
DNS Lookup 38 ms
TCP Connect 54.1 ms
TLS Handshake 38.1 ms
Time To First Byte (TTFB) 117.3 ms
Content Download 47.9 ms
Total Response Time 165.2 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | HHU |
| Meta Description | Die Heinrich-Heine-Universität Düsseldorf ist eine der jüngeren Hochschulen des Landes NRW – gegründet 1965. Seit 1988 trägt die Universität den Namen des großen Sohnes der Stadt. |
| Canonical | https://www.hhu.de/ |
| Robots Meta | index,follow |
| Twitter Card | summary |
Title HHU
Meta Description Die Heinrich-Heine-Universität Düsseldorf ist eine der jüngeren Hochschulen des Landes NRW – gegründet 1965. Seit 1988 trägt die Universität den Namen des großen Sohnes der Stadt.
Canonical https://www.hhu.de/
Robots Meta index,follow
Twitter Card summary
Detected Technologies
| Technology | jQuery Google Analytics Apache PHP Matomo |
Technology jQuery Google Analytics Apache PHP Matomo
HTTP Headers
| Date
| Mon, 27 Jul 2026 23:15:52 GMT |
| Server
| Apache |
| Cache-Control
| max-age=0 |
| Content-Encoding
| gzip |
| Content-Language
| de-DE |
| Content-Type
| text/html; charset=utf-8 |
| Expires
| Mon, 27 Jul 2026 23:15:52 GMT |
| Vary
| X-Forwarded-Port,Accept-Encoding |
| X-Content-Type-Options
| nosniff |
| X-Sfc-Tags
| tx_news, tx_news_pid_121, tx_news_pid_14765, tx_news_pid_40532, tx_news_pid_42330, tx_news_pid_43696, tx_news_pid_47777, tx_news_pid_57694, tx_news_pid_59471, tx_news_pid_75991, tx_news_pid_76905, tx_news_pid_84503, tx_news_pid_96486, tx_news_pid_46822, tx_news_pid_46823, tx_news_pid_96504, tx_news_pid_108693, tx_news_pid_114157, tx_news_pid_120957, tx_news_pid_121416, tx_news_pid_131777, tx_news_pid_132205, tx_news_pid_137948, tx_news_pid_138543, tx_news_pid_200452, calendarize, calendarize_list, pageId_155598 |
| X-Ua-Compatible
| IE=edge |
| Transfer-Encoding
| chunked |
Meta Tags
| X-ua-compatible | IE=edge |
| Generator | TYPO3 CMS |
| Description | Die Heinrich-Heine-Universität Düsseldorf ist eine der jüngeren Hochschulen des Landes NRW – gegründet 1965. Seit 1988 trägt die Universität den Namen des großen Sohnes der Stadt. |
| Viewport | width=device-width, initial-scale=1.0, user-scalable=yes |
| Robots | index,follow |
| Language | de |
| Date | 2026-07-27 |
| Title | HHU |
| Seiten-id | 155598 |
| Last-modified | 2026-07-27T17:10:21+02:00 |
| Last-generated | 2026-07-28T00:11:49+02:00 |
Date Mon, 27 Jul 2026 23:15:52 GMT
Server Apache
Cache-Control max-age=0
Content-Encoding gzip
Content-Language de-DE
Content-Type text/html; charset=utf-8
Expires Mon, 27 Jul 2026 23:15:52 GMT
Vary X-Forwarded-Port,Accept-Encoding
X-Content-Type-Options nosniff
X-Sfc-Tags tx_news, tx_news_pid_121, tx_news_pid_14765, tx_news_pid_40532, tx_news_pid_42330, tx_news_pid_43696, tx_news_pid_47777, tx_news_pid_57694, tx_news_pid_59471, tx_news_pid_75991, tx_news_pid_76905, tx_news_pid_84503, tx_news_pid_96486, tx_news_pid_46822, tx_news_pid_46823, tx_news_pid_96504, tx_news_pid_108693, tx_news_pid_114157, tx_news_pid_120957, tx_news_pid_121416, tx_news_pid_131777, tx_news_pid_132205, tx_news_pid_137948, tx_news_pid_138543, tx_news_pid_200452, calendarize, calendarize_list, pageId_155598
X-Ua-Compatible IE=edge
Transfer-Encoding chunked
