What powers sumator.cz?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Google Analytics
since Jul 2024
Smartlook
since Jul 2024
CDN
Unpkg
since Apr 2025
Comment systems
Font scripts
Google Font API
since May 2023
JavaScript libraries
Maps
Miscellaneous
Open Graph
since May 2023
Programming languages
Ruby
since May 2023
Rich text editors
Tag managers
Google Tag Manager
since Jul 2024
UI frameworks
Web frameworks
Ruby on Rails
since May 2023
Web servers
Audience
- 87% phone
- 13% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.80 / 10 · ranked #1,971,850 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.4 MB · 125 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sumator.cz | 19 |
| www.sumator.cz | 19 |