What powers 
cerna-louka.cz?
Last seen Aug 2026 · 15 technologies across 10 categories
Analytics
Font scripts
JavaScript libraries
Miscellaneous
Operating Systems
Programming languages
Tag managers
UI frameworks
Web Servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 14% desktop
Czechia
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.95 / 10 · ranked #251,839 of all domains
127 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 11.6 MB · 82 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.194.241)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Actalis, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,896,280, 7 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.cerna-louka.cz | 12 |
| cerna-louka.cz | 7 |
| hrad.cerna-louka.cz | 6 |
| miniuni.cerna-louka.cz | 6 |
| motorky.cerna-louka.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Jul 2026
- detected HTTP/3 Apr 2026