What powers skolaluh.cz?
Last seen Sep 2026 · 26 technologies across 13 categories
CDN
cdnjs
since Sep 2024
Cloudflare
since Sep 2024
Google Hosted Libraries
since Sep 2024
jsDelivr
since Sep 2024
Unpkg
since Nov 2025
Editors
Font scripts
Google Font API
since May 2020
JavaScript frameworks
AlertifyJS
since Jul 2021
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Rich text editors
UI frameworks
Video players
YouTube
since Aug 2026
Web servers
Apache HTTP Server
since Feb 2020
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.74 / 10 · ranked #4,692,989 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 23.0 MB · 111 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (46.28.107.91, IPv6)
- DNS: gigaserver.cz
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 63,980,610, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.skolaluh.cz | 25 |
| skolaluh.cz | 24 |
| jidelna.skolaluh.cz | 4 |
Full technology history →
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