What powers 
skolskeodbory.cz?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
CMS
Hosting
Drupal Multisite
since Apr 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% phone
- 43% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.97 / 10 · ranked #593,165 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 52 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Czech and Moravian Trade Union of Workers in Education
- Founded: 1990
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (37.205.14.115, IPv6)
- DNS: wedos.com
- Email: skolskeodbory.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 468,309, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted