Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.48.34 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.21.48.34
Server Software cloudflare
CDN Cloudflare
Compression gzip
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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://tauchschule-zapf.de:443 | 302 | HTTP/2 302 |
| 2 | http://www.tauchschule-zapf.de/ | 200 | HTTP/1.1 200 OK |
#1 URL https://tauchschule-zapf.de:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL http://www.tauchschule-zapf.de/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 7.2 ms |
| TLS Handshake | ~80 ms |
| Time To First Byte (TTFB) | 40.8 ms |
| Content Download | 0.1 ms |
| Total Response Time | 40.9 ms |
DNS Lookup 5.2 ms
TCP Connect 7.2 ms
TLS Handshake ~80 ms
Time To First Byte (TTFB) 40.8 ms
Content Download 0.1 ms
Total Response Time 40.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
Detected Technologies
| Technology | Bootstrap Google Analytics Cloudflare |
Technology Bootstrap Google Analytics Cloudflare
HTTP Headers
| Date
| Tue, 28 Jul 2026 05:31:14 GMT |
| Content-Type
| text/html |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Last-Modified
| Sun, 29 Oct 2023 16:14:33 GMT |
| Referrer-Policy
| strict-origin-when-cross-origin |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
| X-Content-Type-Options
| nosniff |
| X-Frame-Options
| DENY |
| X-Xss-Protection
| 1; mode=block |
| Cf-cache-status
| DYNAMIC |
| Content-Encoding
| gzip |
| CF-RAY
| a2217f194818735b-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
Date Tue, 28 Jul 2026 05:31:14 GMT
Content-Type text/html
Transfer-Encoding chunked
Connection keep-alive
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Last-Modified Sun, 29 Oct 2023 16:14:33 GMT
Referrer-Policy strict-origin-when-cross-origin
Server cloudflare
Vary Accept-Encoding
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 1; mode=block
Cf-cache-status DYNAMIC
Content-Encoding gzip
CF-RAY a2217f194818735b-CDG
Alt-svc h3=":443"; ma=86400
