What powers jccr.cz?
Last seen Jun 2026 · 11 technologies across 9 categories
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Font scripts
Google Font API
since Jul 2020
JavaScript libraries
Programming languages
PHP
since Jul 2020
Security
HSTS
since Apr 2024
Web frameworks
Nette Framework
since Jul 2020
Web servers
Apache HTTP Server
since Jul 2020
Webmail
Microsoft 365
since Aug 2022
Audience
- 61% phone
- 39% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.70 / 10 · ranked #764,753 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 40 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.