Apache is a free and open-source cross-platform web server software.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Kadence WP Blocks is a plugin for WordPress that provides a collection of custom blocks for the Gutenberg editor, allowing users to create custom layouts and designs for their website without needing to know how to code.
Kadence WP Kadence is a multipurpose WordPress theme that is available for free download and also offers a pro version.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.