What powers viertaalcollege-amsterdam.nl?
Last seen Jun 2026 · 31 technologies across 16 categories
Analytics
Caching
Varnish
since Mar 2021
CDN
jsDelivr
since Mar 2021
CMS
WordPress
since Mar 2021
Databases
MySQL
since Mar 2021
Font scripts
Google Font API
since Mar 2021
JavaScript libraries
Lightbox
since Jul 2023
Miscellaneous
Open Graph
since Nov 2022
PWA
since Aug 2022
Programming languages
Security
HSTS
since Oct 2024
Tag managers
Google Tag Manager
since Mar 2021
UI frameworks
Animate.css
since Mar 2021
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
AddThis
since Mar 2021
WordPress plugins
Google Tag Manager for WordPress
since Aug 2022
The Events Calendar
since Aug 2022
wpBakery
since Aug 2022
Audience
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.71 / 10 · ranked #4,905,510 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.9 MB · 59 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.viertaalcollege-amsterdam.nl | 27 |
| viertaalcollege-amsterdam.nl | 22 |