What powers rensen.nu?
Last seen Sep 2026 · 22 technologies across 17 categories
Analytics
CDN
CMS
CRM
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
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
2.34 / 10 · ranked #2,792,322 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 10.8 MB · 66 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NL-SOLCON SOLCON (91.235.237.45)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 30,121,087, 4 hosts
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
- detected Amazon S3 Jun 2026
- detected Amazon Web Services Jun 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected core-js Jun 2026
- detected Facebook Pixel Jun 2026
- detected Google Analytics Jun 2026
- detected Google Tag Manager Jun 2026
- detected Linkedin Insight Tag Jun 2026