Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

WPMU DEV Smush is a WordPress plugin that allows you to optimise images without losing quality.

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

MySQL is an open-source relational database management system.

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.

Performance plugin from the WordPress Performance Team, which adds support for outputting images in WebP or AVIF format and supports the `picture` element to enable format fallbacks.

jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

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

Twenty Twelve is the default WordPress theme for 2012.

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