What powers prochytrehlavicky.cz?
Last seen Sep 2026 · 27 technologies across 16 categories
Advertising
Analytics
CDN
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
Video players
Web servers
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.28 / 10 · ranked #1,155,545 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 3.0 MB · 114 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Pro chytré hlavičky
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on VSHOSTING (93.185.102.132)
- DNS: web4u.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 18,795,074, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| prochytrehlavicky.cz | 23 |
| www.prochytrehlavicky.cz | 14 |
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Facebook Login Mar 2026
- detected Priority Hints Mar 2026
- dropped Bootstrap Nov 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Hotjar Nov 2025
- dropped Slider Revolution Nov 2025