What powers fysoptimadelft.nl?
Last seen Jun 2026 · 9 technologies across 8 categories
CMS
Grav
since Apr 2025
Mailjet
since Jun 2025
Hosting panels
Plesk
since Apr 2025
JavaScript libraries
Programming languages
Security
HSTS
since Apr 2025
Web servers
Webmail
Microsoft 365
since Jun 2026
Audience
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.49 / 10 · ranked #6,626,933 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- Weight: 1.1 MB · 58 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Microsoft 365 Jun 2026
- detected OpenResty May 2026