What powers rkka.cz?
Last seen Jun 2026 · 40 technologies across 19 categories
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Apr 2023
Authentication
Facebook Login
since Jul 2024
CDN
CMS
Cookie compliance
Databases
MySQL
since Mar 2019
DMS
Ecommerce
Cart Functionality
since May 2023
Font scripts
Font Awesome
since Mar 2019
Google Font API
since Mar 2019
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Apr 2023
Windows Server
since Mar 2019
Programming languages
Search engines
Security
UI frameworks
Animate.css
since Mar 2019
Web servers
Widgets
Facebook
since Mar 2019
WordPress plugins
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.08 / 10 · ranked #519,265 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.4 MB · 41 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.rkka.cz | 28 |
| web.rkka.cz | 17 |
| rkka.cz | 15 |
| katalog.rkka.cz | 10 |
| koha.rkka.cz | 10 |