What powers 
hnizdil-kola.cz?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Tag managers
UI frameworks
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #612,796 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.6 MB · 86 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on SATT-AS (31.31.227.81)
- DNS: regzone.cz
- Email: hnizdil-kola.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 2,255,084, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped core-js Nov 2025
- dropped Google Hosted Libraries Nov 2025
- dropped PHP Nov 2025