What powers zdravyden.cz?
Last seen Aug 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Dec 2025
JavaScript libraries
Operating systems
Ubuntu
since Jan 2019
Programming languages
Python
since Feb 2022
UI frameworks
Bootstrap
since Jan 2019
Web frameworks
Django
since Feb 2022
Web servers
Widgets
Facebook
since Jan 2019
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
- 54% phone
- 46% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.22 / 10 · ranked #3,044,133 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.5 MB · 30 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (89.221.216.194)
- Email: wedos.com
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 230,134, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zdravyden.cz | 9 |
| zdravyden.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Jan 2026
- dropped Facebook Pixel Jan 2026
- detected jsDelivr Dec 2025