Apache is a free and open-source cross-platform web server software.
Divi is a WordPress Theme and standalone WordPress plugin from Elegant themes that allows users to build websites using the visual drag-and-drop Divi page builder.
ExactMetrics (formerly Google Analytics Dashboard for WP) plugin helps you properly setup all the powerful Google Analytics tracking features without writing any code or hiring a developer.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.