Checking results for: xf.cz
Additional info for https://xf.cz
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.64.219.22 |
| Server Software | nginx/1.20.1 |
|
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 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 185.64.219.22
Server Software nginx/1.20.1
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.
Performance
| DNS Lookup | 29.9 ms |
| TCP Connect | 44.7 ms |
| TLS Handshake | 32.7 ms |
| Time To First Byte (TTFB) | 92.4 ms |
| Content Download | 0.2 ms |
| Total Response Time | 92.5 ms |
DNS Lookup 29.9 ms
TCP Connect 44.7 ms
TLS Handshake 32.7 ms
Time To First Byte (TTFB) 92.4 ms
Content Download 0.2 ms
Total Response Time 92.5 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
Detected Technologies
Technology Nginx
HTTP Headers
| Server
| nginx/1.20.1 |
| Date
| Fri, 24 Jul 2026 11:33:34 GMT |
| Content-type
| text/html |
| Content-length
| 4 |
| Last-modified
| Thu, 02 Jan 2020 19:58:31 GMT |
| Etag
| "5e0e4b67-4" |
| Accept-ranges
| bytes |
Server nginx/1.20.1
Date Fri, 24 Jul 2026 11:33:34 GMT
Content-type text/html
Content-length 4
Last-modified Thu, 02 Jan 2020 19:58:31 GMT
Etag "5e0e4b67-4"
Accept-ranges bytes
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