What powers sea-l.cz?
Last seen Oct 2026 · 8 technologies across 5 categories
Font scripts
Font Awesome
since Jul 2020
Ionicons
since Jul 2020
JavaScript libraries
Security
HSTS
since Sep 2022
UI frameworks
Video players
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,774,734 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.4 MB · 34 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Microsoft (13.93.80.223)
- DNS: wedos.com
- Email: Seznam Email
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Alpiro s.r.o., RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 14,160,224, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted