HTTP Protocol

HTTP stands for Hyper Text Transfer Protocol, is the foundation of data communication for the World Wide Web.

Hypertext is text displayed on a computer display or other electronic devices with references (hyper links) to other text which the reader can immediately access, or where text can be revealed progressively at multiple levels of detail.

Http works as a request-response model in Client Server Architecture.

Http is a State Less Protocol Once the client request processed, there is no connection or relation between client and server. So Http is called State less protocol.

In state full protocols, Connection should be present between client and server even after the request processed, which obviously consumes the System Resources, Where as HTTP is a connection less, Once the request processed, the connection between client and server is closed. In HTTP the headers must be sent before the response body.

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