What powers vyber-si.cz?
Last seen Jun 2026 · 18 technologies across 12 categories
Analytics
Google Analytics
since May 2020
Caching
WP Rocket
since Jun 2021
CMS
WordPress
since May 2020
Databases
MySQL
since May 2020
Font scripts
Google Font API
since May 2020
JavaScript libraries
jQuery
since May 2020
Miscellaneous
HTTP/3
since Jan 2025
Open Graph
since Sep 2022
RSS
since Dec 2022
Twitter Emoji (Twemoji)
since May 2020
Performance
Priority Hints
since Aug 2024
Programming languages
PHP
since May 2020
Web servers
Apache Traffic Server
since May 2020
WordPress plugins
WordPress themes
Astra
since Nov 2021
Audience
- 78% phone
- 23% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,058,324 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.9 MB · 27 requests
- WordPress theme: astra (child: vybersi) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.vyber-si.cz | 14 |
| vyber-si.cz | 10 |
Full technology history →
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Recent changes
- dropped Nginx Jan 2026