What powers letnaky.cz?
Last seen Jun 2026 · 6 technologies across 5 categories
Authentication
Facebook Login
since Jul 2021
Miscellaneous
HTTP/3
since Oct 2025
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2021
Web servers
Apache HTTP Server
since Jul 2020
Widgets
Facebook
since Jul 2020
Audience
- 85% phone
- 14% desktop
- 1% tablet
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.81 / 10 · ranked #1,963,142 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.2 MB · 15 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| letnaky.cz | 4 |
| www.letnaky.cz | 4 |
| m.letnaky.cz | 2 |
Full technology history →
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