What powers vanderwalenzonen.nl?
Last seen Aug 2026 · 24 technologies across 16 categories
Analytics
Google Analytics
since Apr 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Font scripts
Google Font API
since Apr 2019
JavaScript frameworks
JavaScript Libraries
Live chat
WhatsApp Business Chat
since Mar 2025
Maps
Google Maps
since Apr 2019
Mobile Frameworks
Operating Systems
Debian
since Mar 2025
Windows Server
since Apr 2019
Programming languages
PHP
since Mar 2020
Security
HSTS
since Mar 2025
UI frameworks
Bootstrap
since Mar 2020
Video players
Web frameworks
CakePHP
since Mar 2025
Web Servers
Webmail
Microsoft 365
since Aug 2022
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 Aug 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
1.38 / 10 · ranked #7,727,591 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 8.9 MB · 94 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on OPENFIBER (185.40.97.155)
- Email: no MX record returned
- Email security: DMARC monitor only, DNSSEC signed
- SSL: Trust Provider B.V., RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 53,034,047, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vanderwalenzonen.nl | 16 |
| m.vanderwalenzonen.nl | 10 |