What powers sosjbc.cz?
Last seen Sep 2026 · 28 technologies across 16 categories
Analytics
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Miscellaneous
Performance
Programming languages
Rich text editors
UI frameworks
Web servers
Webmail
WordPress plugins
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
- 86% phone
- 14% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.94 / 10 · ranked #1,700,768 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.1 MB · 68 requests
- WordPress theme: oxygen-is-not-a-theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Střední škola řemesel a služeb v Jablonci nad Nisou
- Industry: Education (declares
HighSchool) - Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ONE-NETWORK (185.102.21.198, IPv6)
- DNS: webglobe.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 19,425,123, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sosjbc.cz | 20 |
| sosjbc.cz | 17 |
Full technology history →
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