What powers 
jbc.jelenia-gora.pl?
Last seen Oct 2026 · 28 technologies across 14 categories
Analytics
Authentication
CDN
Comment systems
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
Web servers
Widgets
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 50% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.48 / 10 · ranked #405,580 of all domains
97 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 200 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Polish
- Weight: 8.9 MB · 105 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Digital Lower Silesia
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on INFOSERWIS-NETWORK Jacek Jarosz trading as Info Serwis (176.114.237.116)
- DNS: OVHcloud
- Email: jbc.jelenia-gora.pl
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 686,550, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.jbc.jelenia-gora.pl | 25 |
| jbc.jelenia-gora.pl | 20 |
Full technology history →
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Recent changes
- detected cdnjs Sep 2026
- detected Cloudflare Sep 2026
- detected crypto-js Sep 2026
- detected Apollo Jun 2026
- detected Emotion Jun 2026
- detected Google Sign-in Jun 2026
- detected GraphQL Jun 2026
- detected MUI Jun 2026
- detected Next.js Jun 2026
- detected Nginx Jun 2026
- detected Node.js Jun 2026
- detected OpenResty Jun 2026
- detected PWA Jun 2026
- detected React Jun 2026
- detected TypeScript Jun 2026
- detected Webpack Jun 2026