Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
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.
WordPress Super Cache is a static caching plugin for WordPress.
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.