Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.150.51.26 |
| 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 185.150.51.26
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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://schule.essen.de:443 | 302 | HTTP/2 302 |
| 2 | https://www.essen.de/schulen | 302 | HTTP/2 302 |
| 3 | https://www.essen.de/leben/bildung/schule/der_fachbereich_schule.de.html | 200 | HTTP/2 200 |
#1 URL https://schule.essen.de:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.essen.de/schulen
HTTP Status Code 302
Status HTTP/2 302
#3 URL https://www.essen.de/leben/bildung/schule/der_fachbereich_schule.de.html
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 4.1 ms |
| TCP Connect | 18.3 ms |
| TLS Handshake | 33.1 ms |
| Time To First Byte (TTFB) | 72.4 ms |
| Content Download | 33.6 ms |
| Total Response Time | 106 ms |
DNS Lookup 4.1 ms
TCP Connect 18.3 ms
TLS Handshake 33.1 ms
Time To First Byte (TTFB) 72.4 ms
Content Download 33.6 ms
Total Response Time 106 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Nginx PHP Matomo |
Technology Bootstrap jQuery Google Analytics Nginx PHP Matomo
HTTP Headers
| Server
| nginx |
| Date
| Tue, 21 Jul 2026 06:27:51 GMT |
| Content-type
| text/html |
| Etag
| W/"6a5eae9d-3f2e4" |
| Webserver
| srvweb10 |
| Access-control-allow-origin
| * |
| Content-encoding
| gzip |
| Strict-transport-security
| max-age=63072000 |
| X-xss-protection
| 1; mode=block |
| X-content-type-options
| nosniff |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| X-UA-Compatible | IE=edge |
| Expires | 0 |
| Pragma | no-cache |
| Cache-control | no-cache |
| Content-language | de |
| Date | 2026-03-09 |
| DateDE | 09.03.2026 |
| Datum | 03/09/2026 |
| Last-Modified | 09/03/2026 12:58 |
| Meta-search-customDate | 09/03/2026 12:58 |
| Last-Modified-ISO | 2026-03-09T12:58:27.168Z |
| Breadcrumb_json | [{"title":"essen.de","url":"https://www.essen.de"},{"title":"Leben in Essen","url":"https://www.essen.de/leben.de.jsp"},{"title":"Bildung","url":"https://www.essen.de/leben/bildung/bildung_.de.jsp"},{"title":"Schule","url":"https://www.essen.de/leben/bildung/schule/der_fachbereich_schule.de.html"}] |
| Robots | index |
| Google-site-verification | Qrg5bYYJ8MZelp7I8D0zobRitJrrm84SEJAUEoYQWmw |
| Revisit-after | 1 days |
Server nginx
Date Tue, 21 Jul 2026 06:27:51 GMT
Content-type text/html
Etag W/"6a5eae9d-3f2e4"
Webserver srvweb10
Access-control-allow-origin *
Content-encoding gzip
Strict-transport-security max-age=63072000
X-xss-protection 1; mode=block
X-content-type-options nosniff
