What powers zsvetrna.cz?
Last seen Oct 2026 · 17 technologies across 10 categories
CDN
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Operating systems
Windows Server
since Nov 2022
Programming languages
PHP
since Dec 2021
UI frameworks
Web frameworks
Microsoft ASP.NET
since Nov 2022
Nette Framework
since Dec 2021
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.59 / 10 · ranked #5,769,701 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 5.3 MB · 157 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.110.158, IPv6)
- DNS: forpsi.cz
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 32,080,602, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zsvetrna.cz | 14 |
| zsvetrna.cz | 14 |
| remote.zsvetrna.cz | 4 |