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

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.

MySQL is an open-source relational database management system.

Sites using the WordPress Block Editor, also known as Gutenberg.

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

PHP is a general-purpose scripting language used for web development.

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.

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.

Gutenberg is the development plugin in which new features for the WordPress Block Editor are tested.

SiteGround is a web hosting service.