HTTP

Epic card · No. 5075

HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, where hypertext documents include hyperlinks to other resources that the user can easily access, for example by a mouse click or by tapping the screen in a web browser. HTTP is a request–response protocol in the client–server model. A transaction starts with a client submitting a request to the server, the server attempts to satisfy the request and returns a response to the client that describes the disposition of the request and optionally contains a requested resource such as an HTML document or other content. In a common scenario, a web browser acts as the client, and a web server, hosting one or more websites, is the server. A web browser is an example of a user agent (UA). Other types of user agent include the indexing software used by search providers...

Read on Wikipedia · Image IETF HTTP Working Group (HTTPbis), Public domain