What powers dcjbc.cz?
Last seen Sep 2026 · 8 technologies across 8 categories
Analytics
Google Analytics
since Jan 2023
CDN
jsDelivr
since Dec 2025
JavaScript libraries
Lightbox
since Jan 2023
Programming languages
Python
since Jan 2023
Security
HSTS
since Jan 2023
UI frameworks
Web frameworks
Django
since Jan 2023
Web servers
gunicorn
since Feb 2026
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.65 / 10 · ranked #5,329,681 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 9.6 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.235.36)
- Email: aceit.cz
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 31,115,880, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped AlmaLinux Mar 2026
- dropped Apache HTTP Server Mar 2026
- dropped mod_wsgi Mar 2026
- dropped OpenSSL Mar 2026
- dropped cdnjs Feb 2026
- dropped CentOS Feb 2026
- dropped Cloudflare Feb 2026
- dropped jQuery Feb 2026
- dropped jQuery CDN Feb 2026
- dropped PHP Feb 2026
- dropped Popper Feb 2026