What powers 
vidacr.cz?
Last seen Oct 2026 · 24 technologies across 16 categories
CDN
CMS
Comment systems
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
UI frameworks
Web frameworks
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
- Aug 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #927,606 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.5 MB · 86 requests
- WordPress theme: oshin (child: oshin_child) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DEXUS Dexus Internet s.r.o. (176.119.212.43)
- DNS: dexus.cz
- Email: dexus.net
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 15,690,983, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vidacr.cz | 18 |
| www.adresar.vidacr.cz | 9 |
Full technology history →
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Recent changes
- dropped Preact Sep 2026
- detected Twitter Emoji (Twemoji) Dec 2025