What powers vcl-school.nl?
Last seen Aug 2026 · 8 technologies across 6 categories
CMS
DNN
since Jan 2019
Google Workspace
since Aug 2022
JavaScript libraries
Marketing automation
MailChimp
since Mar 2024
Security
HSTS
since Sep 2022
Web frameworks
Microsoft ASP.NET
since Jan 2019
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 Aug 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
1.99 / 10 · ranked #3,619,227 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 3.0 MB · 48 requests
Homepage as crawled by the HTTP Archive, Sep 2026.