What powers vdkgroep.com?
Last seen Sep 2026 · 24 technologies across 14 categories
Advertising
Microsoft Advertising
since Jan 2025
Analytics
CDN
Cloudflare
since May 2025
Cookie compliance
Mailgun
since Aug 2022
JavaScript frameworks
JavaScript libraries
Maps
Mapbox GL JS
since Feb 2025
Miscellaneous
Programming languages
PHP
since May 2021
Security
HSTS
since Mar 2025
Tag managers
Google Tag Manager
since May 2021
Matomo Tag Manager
since Dec 2024
UI frameworks
MUI
since Aug 2026
Webmail
Apple iCloud Mail
since Jun 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
Netherlands
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.34 / 10 · ranked #1,073,060 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 11.3 MB · 46 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.23.168, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Sectigo, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 13,830,619, 3 hosts
- Verified with: Apple Business, Brevo, KnowBe4, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vdkgroep.com | 18 |
| happiness.vdkgroep.com | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple iCloud Mail Jun 2026
- detected Cloudflare Browser Insights Nov 2025