WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.

Yoast SEO Premium is a search engine optimisation plugin for WordPress and other platforms.

PHP is a general-purpose scripting language used for web development.

MySQL is an open-source relational database management system.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Sites using the WordPress Block Editor, also known as Gutenberg.

Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.

WP Rocket is a caching and performance optimisation plugin to improve the loading speed of WordPress websites.

YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.