What powers sekm.cz?
Last seen Jan 2026 · 8 technologies across 5 categories
JavaScript graphics
jQuery Sparklines
since Aug 2022
JavaScript libraries
Miscellaneous
Popper
since Aug 2022
Security
HSTS
since Sep 2022
UI frameworks
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #835,315 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.7 MB · 47 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SK-TELEKOM Slovak Telekom T-Mobile CZ (193.84.245.36)
- DNS: env.cz
- Email: mzp.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed, CAA, MTA-STS, BIMI
- SSL: DigiCert, RSA 4096, wildcard, expires Sep 2026
- Common Crawl link graph: rank 1,425,782, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted