Apache is a free and open-source cross-platform web server software.
Kadence WP Kadence is a multipurpose WordPress theme that is available for free download and also offers a pro version.
Lightbox is small javascript library used to overlay images on top of the current page.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
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.
WP Fastest Cache is one of a number of plugins for WordPress designed to accelerate the performance of your website.