HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
jQuery plugin for seeing if the images are loaded.
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 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.
Pollyfills for XHR2 and File API
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Plupload is JavaScript API for building file uploaders.
Thrive Architect is the visual page builder for WordPress.
Twenty Twenty is the default WordPress theme for 2020.
Varnish is a reverse caching proxy.
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.