What powers esnhk.cz?
Last seen Sep 2026 · 9 technologies across 9 categories
CDN
jsDelivr
since Mar 2023
Font scripts
Google Font API
since Mar 2023
JavaScript graphics
Chart.js
since Mar 2023
Miscellaneous
PWA
since Mar 2023
Operating systems
Ubuntu
since Mar 2023
Programming languages
Python
since Mar 2023
Web frameworks
Django
since Mar 2023
Web servers
Webmail
Google Workspace
since Mar 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.59 / 10 · ranked #5,769,520 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.5 MB · 14 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (5.75.231.125, IPv6)
- DNS: wedos.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,486,348, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| artemis.esnhk.cz | 9 |
| esn-uct.artemis.esnhk.cz | 9 |