What powers krcakzije.cz?
Last seen Sep 2026 · 16 technologies across 9 categories
Analytics
Google Analytics
since May 2020
CDN
cdnjs
since Jul 2022
Cloudflare
since Jul 2022
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
PHP
since May 2020
Security
HSTS
since Sep 2022
Web frameworks
Nette Framework
since May 2020
Web servers
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.71 / 10 · ranked #2,151,171 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 6.5 MB · 45 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.165, IPv6)
- DNS: Websupport
- Email: krcakzije.cz
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 1,486,109, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| krcakzije.cz | 16 |
| www.krcakzije.cz | 16 |