What powers ondrasovka.cz?
Last seen Sep 2026 · 15 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Sep 2020
Microsoft Clarity
since Aug 2023
CDN
cdnjs
since May 2023
Cloudflare
since Sep 2020
Cookie compliance
Cookie Script
since Jul 2022
Font scripts
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2023
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 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
3.12 / 10 · ranked #1,393,895 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 12.3 MB · 112 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.42.76)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 17,211,363, 2 hosts
- Verified with: Cisco, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Browser Insights Nov 2025