What powers 
nobtra.nl?
Last seen Aug 2026 · 13 technologies across 9 categories
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Security
UI frameworks
Web servers
Webmail
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
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.97 / 10 · ranked #591,362 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 24.7 MB · 54 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Combell (77.241.85.46, IPv6)
- DNS: european-server.eu
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 7,641,999, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudflare Aug 2026
- dropped Cloudflare Bot Management Aug 2026
- dropped Vimeo Aug 2026
- detected Microsoft 365 Jul 2026
- dropped Google Analytics May 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected Vimeo Mar 2026