What powers rudnik.cz?
Last seen Aug 2026 · 9 technologies across 7 categories
CDN
jsDelivr
since May 2026
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Windows Server
since Oct 2020
Programming languages
PHP
since Sep 2021
UI frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 80% phone
- 20% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.36 / 10 · ranked #1,056,086 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 7.7 MB · 119 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Rudník
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on SUPERNETWORK _ (88.86.102.5, IPv6)
- Email: wedos.net
- Email security: no SPF record, no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 1,288,811, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Jun 2026
- dropped Cloudflare Jun 2026
- dropped Google Maps Jun 2026
- dropped PhotoSwipe Jun 2026
- dropped Popper Jun 2026
- dropped Twitter Jun 2026
- dropped Twitter Ads Jun 2026
- detected jsDelivr May 2026
- dropped Cloudflare Bot Management Nov 2025