What powers 
centrumbazalka.cz?
Last seen Sep 2026 · 16 technologies across 10 categories
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Apr 2024
Miscellaneous
Open Graph
since Apr 2024
Operating systems
Debian
since Jan 2021
Programming languages
PHP
since Jan 2021
UI frameworks
Bootstrap
since Apr 2024
Web servers
Apache HTTP Server
since Jan 2021
Webmail
Microsoft 365
since Nov 2024
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
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #329,783 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.1 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.216.67)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 12,913,001, 2 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.centrumbazalka.cz | 15 |
| kopecek.centrumbazalka.cz | 11 |