What powers rubikoncentrum.cz?
Last seen Jun 2026 · 18 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since Jan 2019
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Jan 2019
SEO
Webmail
Microsoft 365
since Aug 2022
Audience
- 76% phone
- 24% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.73 / 10 · ranked #292,173 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech (Czechia)
- CDN: Cloudflare
- Weight: 2.6 MB · 178 requests
- WordPress theme: rubikon · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.