Apache is a free and open-source cross-platform web server software.
Docusaurus is a tool for teams to publish documentation websites.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Varnish is a reverse caching proxy.