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.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Ionicons is an open-source icon set crafted for web, iOS, Android, and desktop apps.
Varnish is a reverse caching proxy.