Apache is a free and open-source cross-platform web server software.
Jetpack Boost – Website Speed, Performance and Critical CSS.
Jetpack is a popular WordPress plugin created by Automattic, the people behind WordPress.com.
Twenty Twenty-One is the default WordPress theme for 2021.
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.