What powers arc-h.cz?
Last seen Jun 2026 · 26 technologies across 14 categories
Analytics
Google Ads Conversion Tracking
since Mar 2022
Google Analytics
since Jan 2019
Matomo
since Jan 2019
Matomo Analytics
since Mar 2022
CDN
Unpkg
since Apr 2023
CMS
Antee IPO
since Apr 2023
Font scripts
Google Font API
since Apr 2023
Hosting panels
Plesk
since Jan 2019
JavaScript graphics
Chart.js
since Apr 2023
JavaScript libraries
scrollreveal
since Apr 2023
Select2
since Apr 2023
Miscellaneous
RSS
since Apr 2023
Swiper Slider
since Mar 2020
Performance
Priority Hints
since Oct 2025
Programming languages
PHP
since Aug 2019
Security
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Nette Framework
since Apr 2023
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Aug 2019
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.54 / 10 · ranked #6,189,120 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 5.8 MB · 49 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.arc-h.cz | 20 |
| m.arc-h.cz | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Oct 2025