HTTP
HTTP is the set of rules browsers and servers use to exchange pages and data.
Definition
HTTP is the set of rules browsers and servers use to exchange pages and data. A request asks for something and the response returns it with a status code.
Use case
A 404 means the page was not found and a 500 means the server failed. Error screens in your designs map to these codes.
Related terms
Documentation
HTTP
Covers requests, responses, headers and status codes in one place.