What powers kalt.cz?
Last seen Jun 2026 · 19 technologies across 15 categories
Analytics
Google Analytics
since May 2020
Microsoft Clarity
since Jan 2023
CDN
Cloudflare
since May 2022
Cookie compliance
CookieFirst
since Mar 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Operating systems
Debian
since Jan 2019
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since May 2022
Tag managers
Google Tag Manager
since May 2020
UI frameworks
Video players
Vimeo
since Mar 2022
Web frameworks
Web servers
Webmail
Microsoft 365
since Oct 2025
Audience
- 92% desktop
- 8% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.17 / 10 · ranked #3,174,972 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.9 MB · 96 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Microsoft 365 Oct 2025