What powers 
keurmerk.nl?
Last seen Sep 2026 · 33 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Page builders
Performance
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
4.69 / 10 · ranked #349,944 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 6.3 MB · 76 requests
- WordPress theme: salient (child: salient-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Keurmerkinstituut
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on DUOCAST-AS (45.82.188.136, IPv6)
- DNS: openprovider.nl
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,345,850, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.keurmerk.nl | 24 |
| keurmerk.nl | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped OpenResty Jul 2026
- detected FancyBox Jun 2026
- detected HTTP/3 Jun 2026
- detected LiteSpeed Jun 2026
- detected Litespeed Cache Jun 2026