What powers zsvorlina.cz?
Last seen Sep 2026 · 17 technologies across 11 categories
Analytics
Matomo Analytics
since Jun 2021
Font scripts
Google Font API
since Jul 2020
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Jun 2021
Windows Server
since Feb 2019
Programming languages
PHP
since Jun 2021
Video players
Flowplayer
since Nov 2022
Web frameworks
Nette Framework
since Jun 2021
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
- 67% phone
- 33% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.81 / 10 · ranked #4,306,519 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 50 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: websupport.cz
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 16,929,725, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zsvorlina.cz | 12 |
| old.zsvorlina.cz | 9 |