What powers ondrejkobza.cz?
Last seen Sep 2026 · 15 technologies across 9 categories
CDN
Font scripts
Google Font API
since Jul 2023
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jul 2023
Security
Cloudflare Bot Management
since Jul 2023
reCAPTCHA
since Jul 2023
UI frameworks
Web frameworks
Web servers
Apache HTTP Server
since Jul 2023
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,653,820 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 9.7 MB · 55 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on COOLHOUSING-AS Vinohradska 190 (89.187.129.200)
- DNS: forpsi.cz
- Email: argalas.net
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- Common Crawl link graph: rank 31,336,389, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Debian Jul 2026