Flickity is a JavaScript slider library, built by David DeSandro of Metafizzy fame.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
LiteSpeed is a high-scalability web server.
PHP is a general-purpose scripting language used for web development.
TablePress is a free and open source plugin for the WordPress publishing platform. It enables you to create and manage tables on your website, without any coding knowledge.
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.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.