What powers arno.cz?
Last seen Jun 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Aug 2018
CDN
Font scripts
Google Font API
since Aug 2018
JavaScript libraries
Operating systems
AlmaLinux
since Sep 2025
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since Nov 2023
Tag managers
Google Tag Manager
since Mar 2019
UI frameworks
Web frameworks
Nette Framework
since Aug 2018
Web server extensions
Web servers
Audience
- 82% phone
- 14% desktop
- 5% tablet
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.41 / 10 · ranked #999,138 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.5 MB · 168 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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