HTTP Full Form: Hypertext Transfer Protocol – Complete Guide

Technology

Hypertext Transfer Protocol

Hypertext Transfer Protocol (HTTP) is the foundation of data communication on the World Wide Web. It's an application layer protocol designed to facilitate the transfer of information between clients (typically web browsers) and servers. HTTP defines how messages are formatted and transmitted.

Version

HTTP/1.1, HTTP/2, HTTP/3

Type

Application Protocol

Port

80 (HTTP), 443 (HTTPS)

Common HTTP Methods

  • GET - Retrieve data
  • POST - Submit data
  • PUT - Update existing resource
  • DELETE - Remove resource
  • PATCH - Partial modification
  • HEAD - Get headers only

Status Code Categories

1xx

Informational responses

2xx

Successful responses

3xx

Redirection messages

4xx

Client error responses

5xx

Server error responses

Common Headers

Request Headers

  • Accept
  • User-Agent
  • Authorization
  • Content-Type

Response Headers

  • Content-Type
  • Content-Length
  • Cache-Control
  • Set-Cookie

Related Terms

HTTPSTCP/IPWeb ServerREST APIURLDNS