What powers 
witteveenbos.com?
Last seen Sep 2026 · 34 technologies across 17 categories
Advertising
Analytics
CDN
Cookie compliance
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
Video players
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 31% phone
Netherlands
Belgium
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.87 / 10 · ranked #259,673 of all domains
218 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 29.6 MB · 109 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Witteveen+Bos
- Founded: 1946
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Registered Sep 1996 (30 years) via Realtime Register B.V., renews Sep 2027
- Hosted on EQUINIX (87.249.125.6)
- DNS: introweb.nl
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 486,676, 5 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.witteveenbos.com | 28 |
| digitalsolutions.witteveenbos.com | 16 |
| sendit.witteveenbos.com | 11 |
Full technology history →
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Recent changes
- detected Sentry Sep 2026
- detected Facebook Pixel Jul 2026
- detected Linkedin Insight Tag Apr 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected Contentsquare Mar 2026
- detected Microsoft Clarity Mar 2026
- detected Vimeo Mar 2026
- detected Leadfeeder Feb 2026
- detected Leadinfo Feb 2026