What powers pdss.cz?
Last seen Oct 2026 · 12 technologies across 8 categories
CDN
jsDelivr
since Dec 2025
JavaScript libraries
Miscellaneous
PWA
since Nov 2024
Programming languages
Python
since Feb 2022
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Django
since Feb 2022
Web servers
Apache HTTP Server
since Feb 2022
gunicorn
since Dec 2025
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
0.76 / 10 · ranked #17,554,294 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 22.3 MB · 31 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.235.36)
- DNS: grdns.cz
- Email: pdss.cz
- Email security: SPF (neutral), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 16,882,417, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mail.pdss.cz | 7 |
| www.pdss.cz | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Jan 2026
- dropped CentOS Jan 2026
- dropped Cloudflare Jan 2026
- dropped Google Analytics Jan 2026
- dropped jQuery CDN Jan 2026
- dropped mod_wsgi Jan 2026
- dropped OpenSSL Jan 2026
- dropped PHP Jan 2026
- dropped Popper Jan 2026
- dropped reCAPTCHA Jan 2026
- detected gunicorn Dec 2025
- detected jsDelivr Dec 2025