What powers duurzaamheid.nl?
Last seen Jun 2026 · 21 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
Google Analytics
since Feb 2019
CDN
Cloudflare
since Feb 2026
CMS
Craft CMS
since May 2025
MailChimp
since Apr 2020
Font scripts
Google Font API
since Apr 2020
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
PHP
since May 2025
Security
HSTS
since May 2025
SEO
SEOmatic
since May 2025
Tag managers
Google Tag Manager
since Feb 2019
UI frameworks
Tailwind CSS
since May 2025
Web frameworks
Yii
since May 2025
Webmail
Microsoft 365
since Aug 2022
Audience
- 60% desktop
- 40% phone
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #355,607 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 1.2 MB · 32 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected MailChimp Jun 2026
- dropped Amazon S3 Apr 2026
- dropped Amazon Web Services Apr 2026
- dropped MailChimp Apr 2026
- dropped Apache HTTP Server Mar 2026
- detected Cloudflare Feb 2026
- detected Cloudflare Browser Insights Feb 2026
- detected core-js Feb 2026
- detected HTTP/3 Feb 2026
- dropped HTTP/3 Nov 2025
- dropped LiteSpeed Nov 2025
- detected Apache HTTP Server Oct 2025
- dropped Nginx Oct 2025
- detected HTTP/3 Sep 2025
- detected LiteSpeed Sep 2025