Technical Information
| HTTP Status Code | 302 (Redirect) |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 147.28.52.171 |
| Server Software | Duisburger Versorgungs- und Verkehrsgesellschaft mbH |
|
🔄 🔴 Possible Redirect Loop | 10 redirects detected. There may be an infinite redirect loop. |
|
🔄 🔴 Redirect Loop Detected | The URL "https://stadt-duisburg.de/ https://www.duisburg.de/" redirects to itself, creating a loop. |
|
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). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 302 (Redirect)
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 147.28.52.171
Server Software Duisburger Versorgungs- und Verkehrsgesellschaft mbH
🔄 🔴 Possible Redirect Loop 10 redirects detected. There may be an infinite redirect loop.
🔄 🔴 Redirect Loop Detected The URL "https://stadt-duisburg.de/ https://www.duisburg.de/" redirects to itself, creating a loop.
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).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://stadt-duisburg.de:443 | 302 | HTTP/1.0 302 Moved Temporarily |
| 2 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 3 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 4 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 5 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 6 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 7 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 8 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 9 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
| 10 | https://stadt-duisburg.de/ https://www.duisburg.de/ | 302 | HTTP/1.0 302 Moved Temporarily |
#1 URL https://stadt-duisburg.de:443
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#2 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#3 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#4 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#5 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#6 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#7 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#8 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#9 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
#10 URL https://stadt-duisburg.de/ https://www.duisburg.de/
HTTP Status Code 302
Status HTTP/1.0 302 Moved Temporarily
Performance
| DNS Lookup | 1.2 ms |
| TCP Connect | 13.9 ms |
| TLS Handshake | 22.5 ms |
| Time To First Byte (TTFB) | 56.5 ms |
| Content Download | 0.1 ms |
| Total Response Time | 56.6 ms |
DNS Lookup 1.2 ms
TCP Connect 13.9 ms
TLS Handshake 22.5 ms
Time To First Byte (TTFB) 56.5 ms
Content Download 0.1 ms
Total Response Time 56.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
HTTP Headers
| Location
| https://www.duisburg.de/ |
| Server
| Duisburger Versorgungs- und Verkehrsgesellschaft mbH |
| Connection
| close |
| Content-Length
| 0 |
Location https://www.duisburg.de/
Server Duisburger Versorgungs- und Verkehrsgesellschaft mbH
Connection close
Content-Length 0
