Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 178.63.30.37 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 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 178.63.30.37
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 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://ifb-potsdam.de:443 | 301 | HTTP/2 301 |
| 2 | https://www.ifb-potsdam.de/ | 200 | HTTP/2 200 |
#1 URL https://ifb-potsdam.de:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.ifb-potsdam.de/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.9 ms |
| TCP Connect | 36.2 ms |
| TLS Handshake | 17.3 ms |
| Time To First Byte (TTFB) | 106.3 ms |
| Content Download | 0.4 ms |
| Total Response Time | 106.7 ms |
DNS Lookup 22.9 ms
TCP Connect 36.2 ms
TLS Handshake 17.3 ms
Time To First Byte (TTFB) 106.3 ms
Content Download 0.4 ms
Total Response Time 106.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Startseite - Institut für Binnenfischerei e.V. Potsdam Sacrow |
| Canonical | https://www.ifb-potsdam.de/ |
| Open Graph Title | Startseite - Institut für Binnenfischerei e.V. Potsdam Sacrow |
Title Startseite - Institut für Binnenfischerei e.V. Potsdam Sacrow
Canonical https://www.ifb-potsdam.de/
Open Graph Title Startseite - Institut für Binnenfischerei e.V. Potsdam Sacrow
Detected Technologies
| Technology | jQuery Google Analytics Nginx PHP |
Technology jQuery Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Thu, 20 Aug 2026 09:58:49 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding |
| Strict-transport-security
| max-age=31536000 |
| X-upstream
| 178.63.192.57:443 |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1 |
| Content-Type | text/html; charset=utf-8 |
| Format-detection | telephone=no |
Server nginx
Date Thu, 20 Aug 2026 09:58:49 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding
Strict-transport-security max-age=31536000
X-upstream 178.63.192.57:443
Content-encoding gzip
