What powers kubr.nl?
Last seen Aug 2026 · 14 technologies across 10 categories
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
Webmail
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- meta-externalagent Blocked
- SBIntuitionsBot Blocked
The other 31 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
2 of 33 AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.65 / 10 · ranked #2,245,169 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 6.3 MB · 67 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TRUESERVER-AS TrueServer BV AS number (87.233.203.230)
- DNS: argewebhosting.eu
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 29,458,083, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Analytics Jan 2026
- dropped Google Tag Manager Jan 2026