What powers jisa.cz?
Last seen Jun 2026 · 14 technologies across 8 categories
Analytics
Google Analytics
since Jul 2025
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
HSTS
since Dec 2025
UI frameworks
Bootstrap
since Aug 2022
Web frameworks
Nette Framework
since Aug 2022
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.54 / 10 · ranked #6,190,388 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 24 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected core-js Jun 2026
- detected Open Graph Jun 2026
- detected PWA Jun 2026
- detected Swiper Jun 2026
- detected Webpack Jun 2026
- dropped Apache HTTP Server Jan 2026
- detected HSTS Dec 2025