What powers ulz.cz?
Last seen Oct 2026 · 16 technologies across 11 categories
Analytics
CDN
Google Hosted Libraries
since Feb 2022
CMS
Joomla
since Jan 2019
Ecommerce
Cart Functionality
since Sep 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Jan 2025
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
- 77% phone
- 23% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,330,269 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.2 MB · 9 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Institute of Aviation Medicine
- Founded: 1922
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (185.129.138.106)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 14,546,711, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ulz.cz | 16 |
| www.ulz.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cart Functionality Sep 2026
- detected HTTP/3 Sep 2026
- detected Radix UI Sep 2026
- detected React Sep 2026
- detected React Router Sep 2026
- detected shadcn/ui Sep 2026
- detected Tailwind CSS Sep 2026