What powers zdravi4u.cz?
Last seen Oct 2026 · 16 technologies across 13 categories
Advertising
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
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
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #777,180 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 1.9 MB · 790 requests
- WordPress theme: newspaper · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hostinger (191.96.144.166, IPv6)
- DNS: Hostinger
- Email: Hostinger
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 163,620, 6 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache Traffic Server Oct 2026
- dropped Open Graph Oct 2026
- dropped Yoast SEO Oct 2026