What powers donderberggroep.nl?
Last seen Jun 2026 · 17 technologies across 11 categories
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
Font scripts
Font Awesome
since Dec 2020
Twitter Emoji (Twemoji)
since Dec 2020
JavaScript libraries
Lightbox
since Dec 2020
Miscellaneous
RSS
since Dec 2022
Performance
Priority Hints
since Aug 2023
Programming languages
Security
HSTS
since Sep 2022
Really Simple SSL & Security
since Apr 2024
Web servers
WordPress plugins
WordPress themes
Audience
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.30 / 10 · ranked #2,888,534 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.1 MB · 33 requests
- WordPress theme: hueman (child: hueman-child-master) · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025