What powers vyzvajezivot.cz?
Last seen Aug 2026 · 23 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Performance
Programming languages
Security
Tag managers
Video players
Web servers
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 Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.41 / 10 · ranked #34,743,423 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.7 MB · 114 requests
- WordPress theme: mioweb3 · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SERVERZONE (185.216.220.12, IPv6)
- DNS: web4u.cz
- Email: mail25.cz
- Email security: SPF (neutral), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 100,678,527, 2 hosts
- Verified with: Meta Business
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected MediaElement.js Apr 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- detected YouTube Apr 2026