What powers logickaolympiada.cz?
Last seen Jan 2021 · 10 technologies across 6 categories
Analytics
Google Analytics
since Jun 2018
JavaScript Frameworks
Operating Systems
Fedora
since Oct 2016
Programming languages
Web Server Extensions
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
- 51% phone
- 49% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.71 / 10 · ranked #306,741 of all domains
75 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 10.3 MB · 59 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CDT-AS The Czech Republic (89.203.250.21)
- DNS: grdns.cz
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 100,957, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted