Back in the day, HTTP was introduced so machines all around the world could talk to each other.
This would be useful for things like
algorithm
that is only available on a very big machine
at Stanford
lets saySlowly the HTTP Protocol was formalised and now spec’d out here - https://datatracker.ietf.org/doc/html/rfc2616
Try exploring the network tab and seeing all the HTTP requests that go out when you visit https://google.com