Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.27.20.177 |
| Server Software | nginx/1.22.1 |
| Compression | gzip |
|
🕐 🟡 Slow Response (1066 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 185.27.20.177
Server Software nginx/1.22.1
Compression gzip
🕐 🟡 Slow Response (1066 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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).
Performance
| DNS Lookup | 1.4 ms |
| TCP Connect | 1023.2 ms |
| TLS Handshake | 24.6 ms |
| Time To First Byte (TTFB) | 1066.2 ms |
| Content Download | 0.1 ms |
| Total Response Time | 1066.2 ms |
DNS Lookup 1.4 ms
TCP Connect 1023.2 ms
TLS Handshake 24.6 ms
Time To First Byte (TTFB) 1066.2 ms
Content Download 0.1 ms
Total Response Time 1066.2 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
SEO Quick Check
Title DocBook.org
Detected Technologies
Technology Nginx
HTTP Headers
| Server
| nginx/1.22.1 |
| Date
| Thu, 20 Aug 2026 10:30:26 GMT |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Mon, 25 May 2026 16:26:05 GMT |
| Etag
| W/"6a14781d-99d" |
| X-clacks-overhead
| GNU Terry Pratchett |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width, initial-scale=1.0 |
| Dc.modified | 2026-05-25T16:25:44Z |
| Generator | DocBook xslTNG version 2.7.0 / df163a036 / SAXON HE 12.9 |
Server nginx/1.22.1
Date Thu, 20 Aug 2026 10:30:26 GMT
Content-type text/html; charset=utf-8
Last-modified Mon, 25 May 2026 16:26:05 GMT
Etag W/"6a14781d-99d"
X-clacks-overhead GNU Terry Pratchett
Content-encoding gzip