What powers oa-vos.cz?
Last seen Sep 2026 · 18 technologies across 9 categories
CDN
cdnjs
since Dec 2023
Cloudflare
since Dec 2023
jQuery CDN
since Dec 2023
jsDelivr
since Dec 2023
Unpkg
since Dec 2023
Font scripts
Typekit
since Dec 2023
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Dec 2023
Security
reCAPTCHA
since Dec 2023
Tag managers
Google Tag Manager
since Dec 2023
Web frameworks
Web servers
Nginx
since Dec 2023
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 85% phone
- 15% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.52 / 10 · ranked #2,457,712 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 4.0 MB · 75 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.99.217)
- DNS: forpsi.cz
- Email: no MX record returned
- Common Crawl link graph: rank 16,454,562, 2 hosts
DNS records as swept Aug 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| oa-vos.cz | 18 |
| www.oa-vos.cz | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Aug 2026