What powers rl.cz?
Last seen Jun 2026 · 19 technologies across 14 categories
Analytics
Google Analytics
since Apr 2019
CMS
Kentico CMS
since Aug 2020
JavaScript frameworks
RequireJS
since Dec 2021
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Nov 2022
Page builders
Oracle Application Express
since Jun 2024
Performance
Priority Hints
since Jul 2025
Rich text editors
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Bootstrap
since Dec 2021
Web servers
Apache HTTP Server
since Jun 2024
Webmail
Microsoft 365
since Jul 2024
Audience
- 64% phone
- 34% desktop
- 3% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.11 / 10 · ranked #500,767 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 28 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.rl.cz | 12 |
| kalkulace.rl.cz | 10 |