What powers astrumcollege.nl?
Last seen Jun 2026 · 10 technologies across 9 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Jul 2022
CDN
jsDelivr
since Jun 2023
CMS
Cookie compliance
Programming languages
PHP
since Jan 2019
Security
HSTS
since Apr 2024
Web servers
Nginx
since Apr 2024
Webmail
Microsoft 365
since Aug 2022
Audience
- 86% phone
- 14% desktop
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.41 / 10 · ranked #997,671 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- Weight: 1.2 MB · 83 requests
Homepage as crawled by the HTTP Archive, Jul 2026.