What powers ferrum.cz?
Last seen Jun 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CDN
jsDelivr
since Nov 2023
JavaScript libraries
Miscellaneous
PWA
since Nov 2023
Programming languages
PHP
since Nov 2023
UI frameworks
Bootstrap
since Nov 2023
Web frameworks
Nette Framework
since Nov 2023
Web servers
Apache HTTP Server
since Mar 2025
Webmail
Microsoft 365
since Feb 2026
Audience
- 69% phone
- 31% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.77 / 10 · ranked #4,539,924 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.4 MB · 20 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Feb 2026