What powers 
vsers.cz?
Last seen Sep 2026 · 21 technologies across 16 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
SEO
Tag managers
Video players
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.06 / 10 · ranked #530,639 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 42 requests
- WordPress theme: eduma (child: eduma-child) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- College of European and Regional Studies
- Founded: 2001
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on STARNET (89.31.42.169)
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,085,606, 16 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vsers.cz | 18 |
| aj.vsers.cz | 13 |
| is.vsers.cz | 3 |
Full technology history →
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Recent changes
- detected Google Analytics Jul 2026
- detected Google Tag Manager Jul 2026
- dropped Google Analytics Jun 2026
- dropped Google Tag Manager Jun 2026
- detected TablePress Mar 2026
- dropped Bootstrap Feb 2026
- dropped TablePress Feb 2026
- detected TablePress Nov 2025