What powers 
bezpecnyinternet.cz?
Last seen Aug 2026 · 11 technologies across 8 categories
Analytics
Matomo Analytics
since May 2023
JavaScript libraries
Miscellaneous
Programming languages
Python
since May 2023
Security
HSTS
since May 2023
UI frameworks
Bootstrap
since May 2023
Web frameworks
Django
since May 2023
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.44 / 10 · ranked #166,357 of all domains
97 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.7 MB · 41 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CZNIC-AS (217.31.205.61, IPv6)
- Email: nic.cz
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed, BIMI
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 2,503,653, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bezpecnyinternet.cz | 11 |
| www.bezpecnyinternet.cz | 11 |