Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 149.219.208.61 |
| Server Software | Apache |
| Compression | gzip |
|
🔒 🟡 Mixed Content (5 HTTP resources) | The page is served over HTTPS but loads 5 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 149.219.208.61
Server Software Apache
Compression gzip
🔒 🟡 Mixed Content (5 HTTP resources) The page is served over HTTPS but loads 5 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://planet-wissen.de:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.planet-wissen.de/ | 301 | HTTP/1.1 301 Moved Permanently |
| 3 | https://www.planet-wissen.de/index.html | 200 | HTTP/1.1 200 OK |
#1 URL https://planet-wissen.de:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.planet-wissen.de/
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#3 URL https://www.planet-wissen.de/index.html
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 0.5 ms |
| TCP Connect | 1.6 ms |
| TLS Handshake | 4.4 ms |
| Time To First Byte (TTFB) | 245.1 ms |
| Content Download | 0.4 ms |
| Total Response Time | 245.5 ms |
DNS Lookup 0.5 ms
TCP Connect 1.6 ms
TLS Handshake 4.4 ms
Time To First Byte (TTFB) 245.1 ms
Content Download 0.4 ms
Total Response Time 245.5 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 | Planet Wissen |
| Meta Description | Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha |
| Canonical | https://www.planet-wissen.de/index.html |
| Robots Meta | index,follow,noarchive,unavailable_after: 2031-07-22T13:55:33+02:00 |
| Open Graph Title | Sendung | Planet Wissen |
| Open Graph Description | Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha |
| Open Graph Image | https://www1.wdr.de/mediathek/video/logo-planet-wissen100... |
| Twitter Card | summary_large_image |
Title Planet Wissen Meta Description Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha Canonical https://www.planet-wissen.de/index.html Robots Meta index,follow,noarchive,unavailable_after: 2031-07-22T13:55:33+02:00 Open Graph Title Sendung | Planet Wissen Open Graph Description Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha Open Graph Image https://www1.wdr.de/mediathek/video/logo-planet-wissen100... Twitter Card summary_large_image Detected Technologies
| Technology | Google Analytics Apache |
Technology Google Analytics Apache
HTTP Headers
| Server
| Apache |
| Content-Type
| text/html;charset=utf-8 |
| Content-Language
| de-DE |
| Content-Encoding
| gzip |
| X-Content-Type-Options
| nosniff |
| Content-Length
| 13084 |
| Cache-Control
| max-age=120 |
| Expires
| Thu, 23 Jul 2026 11:58:04 GMT |
| Date
| Thu, 23 Jul 2026 11:56:04 GMT |
| Connection
| keep-alive |
| Vary
| Accept-Encoding |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Expires | 0 |
| Viewport | width=device-width, user-scalable=yes, initial-scale=1.0, minimum-scale=1.0 |
| Keywords | Planet Wissen,Planet Wissen, Startseite, Sendung, Online, Bildung, Fernsehen, WDR 06.07.2026 08:00 |
| Description | Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha |
| Author | Planet Wissen |
| DC.Date | 2026-07-23T13:55+02:00 |
| Publisher | planetwissen.de |
| Robots | index,follow,noarchive,unavailable_after: 2031-07-22T13:55:33+02:00 |
| Article:modified_time | 2026-07-23 13:55:33 |
| Msapplication-config | /resources-v5.176.1/img/favicon/browserconfig.xml |
| Theme-color | #ffffff |
Server Apache
Content-Type text/html;charset=utf-8
Content-Language de-DE
Content-Encoding gzip
X-Content-Type-Options nosniff
Content-Length 13084
Cache-Control max-age=120
Expires Thu, 23 Jul 2026 11:58:04 GMT
Date Thu, 23 Jul 2026 11:56:04 GMT
Connection keep-alive
Vary Accept-Encoding
