What powers nelan.cz?
Last seen Oct 2026 · 12 technologies across 11 categories
Analytics
JavaScript libraries
Live chat
Operating systems
Ubuntu
since Mar 2022
Programming languages
Ruby
since Mar 2022
Rich text editors
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Ruby on Rails
since Mar 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
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
1.64 / 10 · ranked #5,383,492 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.45 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 40 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DigitalOcean (207.154.225.247, IPv6)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 17,234,961, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026. How the web is hosted