What powers holbv.nl?
Last seen Oct 2026 · 21 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting panels
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
Rich text editors
Security
Webmail
WordPress plugins
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 Oct 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
1.74 / 10 · ranked #4,724,776 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 2.6 MB · 50 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.91.186, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 28,080,174
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected TinyMCE Mar 2026