What powers calvijncollege.nl?
Last seen Jun 2026 · 38 technologies across 22 categories
Analytics
Google Analytics
since Jan 2019
CDN
CMS
WordPress
since Apr 2023
Databases
MySQL
since Apr 2023
Font scripts
Google Font API
since Jan 2019
Hosting panels
Plesk
since Jan 2023
JavaScript frameworks
JavaScript graphics
jqPlot
since Apr 2026
jQuery Sparklines
since Apr 2026
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Oct 2023
Mobile frameworks
Operating systems
Windows Server
since Aug 2022
PaaS
Azure
since Aug 2022
Performance
Priority Hints
since Sep 2023
Programming languages
Security
SEO
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web frameworks
Apache Wicket
since Apr 2026
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jan 2023
Webmail
Microsoft 365
since Aug 2022
Audience
- 76% phone
- 21% desktop
- 3% tablet
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.07 / 10 · ranked #1,476,475 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.9 MB · 57 requests
- WordPress theme: project_themeresources · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| schoolgids.calvijncollege.nl | 17 |
| www.calvijncollege.nl | 17 |
| ccpay.calvijncollege.nl | 10 |
| ccis.calvijncollege.nl | 7 |
| cclob.calvijncollege.nl | 6 |
| rooster.calvijncollege.nl | 1 |
Full technology history →
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