What powers 
proefkolonie.nl?
Last seen Sep 2026 · 19 technologies across 12 categories
CMS
Databases
Font scripts
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
Webmail
Widgets
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 9% desktop
- 8% tablet
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.41 / 10 · ranked #416,466 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 0.5 MB · 14 requests
- WordPress theme: proeflokaal · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Stichting Koloniecentrum, Museum De Proefkolonie
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on EQUEST-AS e-Quest IT Diensten (77.75.48.107, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 3,016,691, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected RSS Apr 2026
- dropped Bookly Feb 2026
- dropped Bootstrap Feb 2026
- dropped Bootstrap Icons Feb 2026
- dropped Contact Form 7 Feb 2026
- dropped core-js Feb 2026
- dropped Draftpress HFCM Feb 2026
- dropped Font Awesome Feb 2026
- dropped Google Analytics Feb 2026
- dropped GSAP Feb 2026
- dropped Hammer.js Feb 2026
- dropped Isotope Feb 2026
- dropped jQuery Feb 2026
- dropped jQuery Migrate Feb 2026
- dropped jQuery UI Feb 2026
- dropped LazySizes Feb 2026
- dropped MediaElement.js Feb 2026
- dropped Modernizr Feb 2026
- dropped Moment.js Feb 2026
- dropped Nginx Feb 2026
- dropped prettyPhoto Feb 2026
- dropped reCAPTCHA Feb 2026
- dropped Select2 Feb 2026
- dropped Svelte Feb 2026
- dropped W3 Total Cache Feb 2026
- dropped WPMU DEV Smush Feb 2026
- dropped YouTube Feb 2026
- dropped Chart.js Jan 2026
- detected HTTP/3 Jan 2026
- detected LiteSpeed Jan 2026
- detected Litespeed Cache Jan 2026
- dropped Cloudways Dec 2025
- dropped RSS Dec 2025
- detected W3 Total Cache Nov 2025