What powers 
ruce.cz?
Last seen Sep 2026 · 5 technologies across 5 categories
Analytics
Google Analytics
since Jan 2019
Miscellaneous
RSS
since Dec 2022
Operating systems
Debian
since Feb 2023
Programming languages
PHP
since Jan 2019
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #908,924 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.1 MB · 53 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NFX_ZSPO (78.108.103.115)
- DNS: forpsi.cz
- Email: rewolt.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 787,443, 22 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ruce.cz | 5 |
| www.ruce.cz | 5 |