What powers 
khanovaskola.cz?
Last seen Sep 2026 · 12 technologies across 9 categories
Analytics
Mailgun
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Babel
since Mar 2020
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2018
Security
HSTS
since Sep 2022
Web frameworks
Nette Framework
since Aug 2018
Web servers
Nginx
since Aug 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% phone
- 41% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #292,667 of all domains
87 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.4 MB · 20 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- KhanAcademyCzech
- Founded: 2011
From Wikidata (CC0).
Infrastructure
- Hosted on WEDOS (46.28.109.123, IPv6)
- DNS: wedos.com
- Email: wedos.net
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 765,593, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted