cdnjs is a free distributed JS library delivery service.
Envoy is an open-source edge and service proxy, designed for cloud-native applications.
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.
SVG Support is a WordPress plugin which allows you to safely upload SVG files to your media library and use them like any other image.
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.
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.