What powers theorie-oefenexamen.nl?

Last seen Sep 2026 · 31 technologies across 16 categories

Analytics

Facebook Pixel v2.9.397
since Oct 2021
Google Analytics
since Sep 2021

CMS

WordPress
since Dec 2020

Databases

MySQL
since Dec 2020

Ecommerce

Cart Functionality
since Dec 2020
WooCommerce v11.1.0
since Dec 2020

JavaScript frameworks

React v18.3.1
since Jan 2025

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v3.7.1
since Dec 2020
jQuery UI v1.13.3
since Dec 2020
Moment.js v2.30.1
since Oct 2021
PhotoSwipe
since Sep 2022
Swiper
since Sep 2022

Live chat

WhatsApp Business Chat
since Feb 2022

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Prism
since Aug 2023

Payment processors

Stripe
since Jan 2025

Performance

Priority Hints
since Jan 2026

Programming languages

PHP
since Dec 2020

Security

ClickCease
since Sep 2022
reCAPTCHA
since Dec 2020

UI frameworks

CivicTheme
since Aug 2023

Video players

YouTube
since Mar 2026

Web servers

LiteSpeed
since Oct 2021

WordPress plugins

Contact Form 7 v6.1.7
since Aug 2023
Draftpress HFCM
since Feb 2022
GTranslate
since Aug 2023
Oxygen
since Sep 2023
WooCommerce Stripe Payment Gateway
since Jan 2025
Yoast SEO v28.4
since Oct 2021

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 54% desktop
  • 46% phone
  • Netherlands

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.88 / 10 · ranked #671,712 of all domains

60 referring domains · OpenPageRank

Core Web Vitals

LCP1.1 s
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • Weight: 3.5 MB · 103 requests
  • WordPress theme: oxygen-is-not-a-theme · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on Hetzner (88.99.94.85)
  • DNS: web-wings.net
  • Email: theorie-oefenexamen.nl
  • Email security: SPF (soft fail), DMARC reject
  • SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 15,465,413
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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