What powers kpss.nl?

Analytics

Google Analytics

since Sep 2022

Hotjar

since Sep 2022

Leadinfo

since Sep 2022

Linkedin Insight Tag

since Mar 2023

CDN

Cloudflare

since Jun 2025

CMS

WordPress v6.9.4

since Sep 2022

Databases

MySQL

since Sep 2022

Email

Sendgrid

since Sep 2022

JavaScript libraries

jQuery v3.7.1

since Sep 2022

Miscellaneous

HTTP/3

since Mar 2024

Open Graph

since Sep 2022

Programming languages

PHP v8.4.12

since Sep 2022

Security

Cloudflare Bot Management

since Jun 2025

HSTS

since Sep 2022

reCAPTCHA

since Sep 2022

Tag managers

Google Tag Manager

since Sep 2022

UI frameworks

Bootstrap v4.4.1

since Sep 2022

Web servers

Apache HTTP Server

since Sep 2022

WordPress plugins

Autoptimize

since Mar 2023

Contact Form 7

since Sep 2022

Cookie Notice v3.0.5

since Nov 2025

Polylang

since Oct 2022

Yoast SEO

since Sep 2022