What powers zslibcicka.cz?
Last seen Oct 2026 · 14 technologies across 9 categories
Analytics
Matomo Analytics
since Apr 2023
Font scripts
Google Font API
since Apr 2023
JavaScript libraries
Miscellaneous
PWA
since Apr 2023
Operating systems
Debian
since Apr 2023
Windows Server
since Mar 2022
Programming languages
PHP
since Apr 2023
Web frameworks
Nette Framework
since Apr 2023
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.58 / 10 · ranked #5,850,511 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 23 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (83.167.252.184, IPv6)
- DNS: dexus.cz
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 18,280,033, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zslibcicka.cz | 10 |
| bakalari.zslibcicka.cz | 6 |