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

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

Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.

MySQL is an open-source relational database management system.

W3 Total Cache (W3TC) improves the SEO and increases website performance and reducing load times by leveraging features like content delivery network (CDN) integration and the latest best practices.

TinyMCE is an online rich-text editor released as open-source software. TinyMCE is designed to integrate with JavaScript libraries, Vue.js, and AngularJS as well as content management systems such as Joomla!, and WordPress.

cdnjs is a free distributed JS library delivery service.

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

Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

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.

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

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.

Varnish is a reverse caching proxy.