Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.45.134 |
| 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. |
|
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 104.21.45.134
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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 22.8 ms |
| TCP Connect | 24.5 ms |
| TLS Handshake | 10.3 ms |
| Time To First Byte (TTFB) | 51.1 ms |
| Content Download | 0.1 ms |
| Total Response Time | 51.2 ms |
DNS Lookup 22.8 ms
TCP Connect 24.5 ms
TLS Handshake 10.3 ms
Time To First Byte (TTFB) 51.1 ms
Content Download 0.1 ms
Total Response Time 51.2 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 | Indexing https://reznictvistudenec.cz/ |
| Canonical | https://reznictvistudenec.cz/ |
Title Indexing https://reznictvistudenec.cz/
Canonical https://reznictvistudenec.cz/
Detected Technologies
| Technology | Cloudflare Node.js |
Technology Cloudflare Node.js
HTTP Headers
| Date
| Tue, 28 Jul 2026 11:21:56 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| X-powered-by
| Express |
| Vary
| Accept-Encoding |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=hj9dV7Up70Rfkdso%2B2%2Bc%2F1m%2BaddYKMCp4e5LOY2LaSRzrm00PUL9N0BFGctX8z2KjL%2BHp58mOmp1l2eII6SKOPK9XuCjnsRK9qJZ5FtqY9LJdyL7yv%2Bzxcf0xE80YbpjTyasBxhp6D%2FO%2BMxUS%2Br2uXWsfA%3D%3D"}]} |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Age
| 1453657 |
| Cache-control
| max-age=14400 |
| Cf-cache-status
| HIT |
| Content-encoding
| gzip |
| Cf-ray
| a22380d27c0c02bf-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Refresh | 1;url=https://reznictvistudenec.cz/link/68305 |
Date Tue, 28 Jul 2026 11:21:56 GMT
Content-type text/html; charset=utf-8
Server cloudflare
X-powered-by Express
Vary Accept-Encoding
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=hj9dV7Up70Rfkdso%2B2%2Bc%2F1m%2BaddYKMCp4e5LOY2LaSRzrm00PUL9N0BFGctX8z2KjL%2BHp58mOmp1l2eII6SKOPK9XuCjnsRK9qJZ5FtqY9LJdyL7yv%2Bzxcf0xE80YbpjTyasBxhp6D%2FO%2BMxUS%2Br2uXWsfA%3D%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Age 1453657
Cache-control max-age=14400
Cf-cache-status HIT
Content-encoding gzip
Cf-ray a22380d27c0c02bf-CDG
Alt-svc h3=":443"; ma=86400
