What powers ssob.cz?
Last seen Oct 2026 · 19 technologies across 9 categories
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Font scripts
Font Awesome
since May 2020
Google Font API
since Aug 2021
JavaScript libraries
Lightbox
since Aug 2021
OWL Carousel
since Aug 2021
Operating systems
Windows Server
since May 2020
Programming languages
UI frameworks
Web frameworks
Nette Framework
since Aug 2021
Web servers
Webmail
Microsoft 365
since Aug 2022
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 62% phone
- 38% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,840,863 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 6.1 MB · 197 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Střední škola obchodní, Belgická 29, Praha 2
- Founded: 1996
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on WEB4U (81.91.86.13)
- DNS: web4u.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Alpiro s.r.o., RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 19,169,168, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ssob.cz | 13 |
| www.ssob.cz | 13 |
| bakaweb.ssob.cz | 6 |
| epoint.ssob.cz | 4 |