Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 193.32.223.157 |
| Server Software | nginx |
| 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. |
|
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 193.32.223.157
Server Software nginx
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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 38.1 ms |
| TCP Connect | 53.5 ms |
| TLS Handshake | 22.9 ms |
| Time To First Byte (TTFB) | 171.7 ms |
| Content Download | 0.3 ms |
| Total Response Time | 172.1 ms |
DNS Lookup 38.1 ms
TCP Connect 53.5 ms
TLS Handshake 22.9 ms
Time To First Byte (TTFB) 171.7 ms
Content Download 0.3 ms
Total Response Time 172.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=15768000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=15768000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Detected Technologies
| Technology | jQuery Google Analytics Nginx PHP |
Technology jQuery Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Wed, 19 Aug 2026 22:38:02 GMT |
| Content-type
| text/html; charset=ISO-8859-1 |
| Content-length
| 9881 |
| X-powered-by
| PleskLin |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| Set-cookie
| PHPSESSID=r00eff6de54o3qotflmgt98gub; path=/; domain=cdu-zollverein.de; secure; HttpOnly; SameSite=Strict |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
| Strict-transport-security
| max-age=15768000 |
Meta Tags
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no |
| Content-type | text/html; charset=iso-8859-1 |
| Content-Script-Type | text/javascript |
| Content-Style-Type | text/css |
| Cache-control | no-cache |
| Pragma | no-cache |
| Author | CDU Stadtbezirksverband Essen-Zollverein |
| Language | de |
| Robots | index, follow |
| Msapplication-TileColor | #000000 |
| Theme-color | #ffffff |
Server nginx
Date Wed, 19 Aug 2026 22:38:02 GMT
Content-type text/html; charset=ISO-8859-1
Content-length 9881
X-powered-by PleskLin
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
Set-cookie PHPSESSID=r00eff6de54o3qotflmgt98gub; path=/; domain=cdu-zollverein.de; secure; HttpOnly; SameSite=Strict
Vary Accept-Encoding
Content-encoding gzip
Strict-transport-security max-age=15768000
