What powers derolfgroep.nl?
Last seen Jun 2026 · 52 technologies across 25 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
Tag managers
User onboarding
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| zuluconnect | #70 | 0 |
| educatief | #61 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 82% desktop
- 18% phone
Netherlands
Belgium
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.19 / 10 · ranked #229,905 of all domains
65 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 2.3 MB · 111 requests
- WordPress theme: derolfgroep · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.derolfgroep.nl | 31 |
| voortgezetonderwijs.derolfgroep.nl | 21 |
| shop.derolfgroep.nl | 20 |
| sanashop.derolfgroep.nl | 11 |
| insight-beta.derolfgroep.nl | 8 |
| e.derolfgroep.nl | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Linkedin Insight Tag Oct 2025
- detected Pinterest Conversion Tag Oct 2025
- detected TablePress Oct 2025
- detected Vue.js Oct 2025