What powers vandijk.nl?
Last seen Sep 2026 · 56 technologies across 27 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Miscellaneous
Page builders
Performance
Programming languages
RUM
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 54% phone
- 46% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.31 / 10 · ranked #433,439 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.0 MB · 65 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- VanDijk
From the homepage's own structured data (Oct 2026).
Infrastructure
- DNS: rapidehosting.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Sectigo, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,124,881, 13 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| corporate.vandijk.nl | 27 |
| vandijk.nl | 24 |
| scholen.vandijk.nl | 23 |
| portal.vandijk.nl | 14 |
| leerlingen.vandijk.nl | 13 |
| www.vandijk.nl | 13 |
| catalogus.vandijk.nl | 12 |
| lmlnieuw.vandijk.nl | 12 |
| allesoverlesgeven.vandijk.nl | 11 |
| boekenplank.vandijk.nl | 10 |
| bestellen.vandijk.nl | 8 |
| bundle.vandijk.nl | 8 |
| onderwijsinstelling.vandijk.nl | 7 |
| toegang.vandijk.nl | 5 |
Full technology history →
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Recent changes
- detected Cloudflare Turnstile Aug 2026
- dropped IIS Aug 2026
- dropped Windows Server Aug 2026
- dropped Intercom Jan 2026