What powers companies.cz?
Last seen Jun 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Apr 2020
Microsoft Clarity
since Apr 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Feb 2025
Open Graph
since Oct 2025
Programming languages
PHP
since Mar 2021
Security
Cloudflare Turnstile
since Apr 2024
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Tailwind CSS
since Dec 2025
Web frameworks
Web servers
Nginx
since Apr 2020
Webmail
Microsoft 365
since Apr 2026
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.81 / 10 · ranked #712,455 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.4 MB · 67 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Microsoft 365 Apr 2026
- dropped Bootstrap Jan 2026
- dropped Priority Hints Jan 2026
- dropped Swiper Jan 2026
- detected Alpine.js Dec 2025
- detected Tailwind CSS Dec 2025
- detected Microsoft Clarity Nov 2025
- detected Open Graph Oct 2025