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.

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

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

MonsterInsights is the most popular Google Analytics plugin for WordPress.

Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.

Font Awesome is a font and icon toolkit based on CSS and Less.

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.

WP Engine is a website hosting provider.

MySQL is an open-source relational database management system.

Google Analytics is a free web analytics service that tracks and reports website traffic.

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