What powers jsc.cz?
Last seen Jun 2026 · 10 technologies across 9 categories
CMS
Joomla
since Mar 2026
Font scripts
Google Font API
since Mar 2026
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2026
Programming languages
PHP
since Mar 2026
Security
HSTS
since Jun 2026
UI frameworks
Web frameworks
Helix Ultimate
since Mar 2026
Web servers
Apache HTTP Server
since Oct 2021
Audience
- 63% desktop
- 37% phone
Czechia
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.11 / 10 · ranked #3,306,268 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.5 MB · 49 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HSTS Jun 2026