Apache is a free and open-source cross-platform web server software.
Cloudinary is an end-to-end image- and video-management solution for websites and mobile apps, covering everything from image and video uploads, storage, manipulations, optimisations to delivery.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
The SEO Framework is the only WordPress plugin that can intelligently generate critical SEO meta tags by reading your WordPress environment.
WP Rocket is a caching and performance optimisation plugin to improve the loading speed of WordPress websites.