What powers 
jac.be?
Last seen Sep 2026 · 6 technologies across 5 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Security
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 51% desktop
- 49% phone
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.39 / 10 · ranked #418,732 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Google
- Weight: 0.3 MB · 23 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (35.186.253.145, IPv6)
- DNS: combell.eu
- Email: holoncom.net
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,897,710, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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