What powers vum.cz?
Last seen Jun 2026 · 10 technologies across 9 categories
CDN
Google Hosted Libraries
since Dec 2024
CMS
Font scripts
Google Font API
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since May 2020
Tag managers
Google Tag Manager
since Sep 2024
Webmail
Microsoft 365
since Aug 2022
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.40 / 10 · ranked #36,439,499 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 30 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics May 2026
- dropped Nginx Oct 2025
- dropped OpenResty Aug 2025