Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 128.65.213.77 |
| Server Software | nginx/1.29.7 |
| 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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 128.65.213.77
Server Software nginx/1.29.7
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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://randomhouse.de:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.penguin.de/ | 200 | HTTP/2 200 |
#1 URL https://randomhouse.de:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.penguin.de/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 103.3 ms |
| TCP Connect | 104.5 ms |
| TLS Handshake | 3.8 ms |
| Time To First Byte (TTFB) | 111.8 ms |
| Content Download | 9.7 ms |
| Total Response Time | 121.5 ms |
DNS Lookup 103.3 ms
TCP Connect 104.5 ms
TLS Handshake 3.8 ms
Time To First Byte (TTFB) 111.8 ms
Content Download 9.7 ms
Total Response Time 121.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=1800; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=1800; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Meta Description | Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events. |
| Canonical | https://www.penguin.de |
Meta Description Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events.
Canonical https://www.penguin.de
Detected Technologies
| Technology | Google Analytics Nginx Node.js |
Technology Google Analytics Nginx Node.js
HTTP Headers
| Date
| Thu, 20 Aug 2026 10:29:23 GMT |
| Content-type
| text/html;charset=UTF-8 |
| X-content-type-options
| nosniff |
| X-xss-protection
| 0 |
| Strict-transport-security
| max-age=1800; includeSubDomains; preload |
| Content-language
| de-DE |
| Cache-control
| max-age=7200 |
| Age
| 24191 |
| Grace
| |
| X-frame-options
| SAMEORIGIN |
| Server
| nginx/1.29.7 |
| X-proxy-cache
| HIT |
| Content-encoding
| gzip |
Meta Tags
| Description | Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events. |
| Keywords | Corporate,Demo,Blueprint,Corporation Blueprint |
| Viewport | width=device-width, initial-scale=1, maximum-scale=3 |
Date Thu, 20 Aug 2026 10:29:23 GMT
Content-type text/html;charset=UTF-8
X-content-type-options nosniff
X-xss-protection 0
Strict-transport-security max-age=1800; includeSubDomains; preload
Content-language de-DE
Cache-control max-age=7200
Age 24191
Grace
X-frame-options SAMEORIGIN
Server nginx/1.29.7
X-proxy-cache HIT
Content-encoding gzip
