What powers birds.cz?
Last seen Jun 2026 · 27 technologies across 12 categories
Analytics
Google Analytics
since May 2023
CDN
Comment systems
Font scripts
Google Font API
since Feb 2023
JavaScript frameworks
JavaScript graphics
Chart.js
since Feb 2024
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Nov 2023
PWA
since Oct 2023
Programming languages
TypeScript
since May 2022
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 71% phone
- 29% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.75 / 10 · ranked #133,051 of all domains
308 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 225 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rings.birds.cz | 16 |
| avif.birds.cz | 11 |
| birds.cz | 11 |
| www.birds.cz | 11 |
| moje.birds.cz | 6 |
| hry.birds.cz | 1 |
| projekty.birds.cz | 1 |