What powers 
catholica.cz?
Last seen Sep 2026 · 4 technologies across 4 categories
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Aug 2018
Web servers
Nginx
since Aug 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 72% phone
- 23% desktop
- 4% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #300,520 of all domains
98 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.0 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on COOLHOUSING-AS Vinohradska 190 (87.236.196.169)
- DNS: forpsi.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 606,317, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| librinostri.catholica.cz | 3 |
| catholica.cz | 2 |
| www.catholica.cz | 2 |