What powers petraco.cz?
Last seen Sep 2026 · 26 technologies across 14 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
Security
UI frameworks
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 found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Sep 2026 llms.txt appeared
- Sep 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.10 / 10 · ranked #3,336,636 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.5 MB · 98 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VSHOSTING (185.64.219.37)
- Email: vipnet.cz
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: ZeroSSL, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 16,605,774, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cart Functionality Sep 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026