What powers rekvalifikacnikurzy.cz?
Last seen Sep 2026 · 12 technologies across 10 categories
Analytics
Ahrefs
since Jun 2023
Google Analytics
since Mar 2021
Font scripts
Typekit
since Jul 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Red Hat
since Jul 2024
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2021
Web server extensions
Web servers
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
- 84% phone
- 14% desktop
- 2% tablet
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.10 / 10 · ranked #1,429,418 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 0.9 MB · 39 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WEDOS (89.221.218.27)
- Email: oaposta.cz
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 17,196,925, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted