What is HTTP Request

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How to redirect http to https What is http Response

What is HTTP Request

HTTP (Hypertext Transfer Protocol), is the underlying format that is used to structure request and responses for effective communication between a client and a server. The message that is sent by a client to a server is what is known as an HTTP request.

http request

Types of HTTP Request Methods

GET: GET is used to retrieve and request data from a specified resource in a server. GET is one of the most popular HTTP request techniques. In simple words, the GET method is used to retrieve whatever information is identified by the Request-URL.

  • GET requests can be cached
  • GET requests remain in the browser history
  • GET requests can be bookmarked
  • GET requests should never be used when dealing with sensitive data
  • GET requests have length restrictions
  • GET requests are only used to request data (not modify)

POST: POST is used to send data to a server to create/update a resource. The data sent to the server with POST is stored in the request body of the HTTP request.

  • POST requests are never cached
  • POST requests do not remain in the browser history
  • POST requests cannot be bookmarked
  • POST requests have no restrictions on data length

DELETE: Removes all the current representations of the target resource given by URI.

PUT: Replaces all the current representations of the target resource with the uploaded content.

HEAD: Same as GET, but it transfers the status line and the header section only.

CONNECT: Establishes a tunnel to the server identified by a given URI.

OPTION: Describe the communication options for the target resource.

TRACE: Performs a message loop back test along with the path to the target resource.

Difference Between GET and POST Method

KEYGETPOST
BACK button/ReloadHarmlessData will be re-submitted (the browser should alert the user that the data are about to be re-submitted)
BookmarkedCan be bookmarkedCannot be bookmarked
CachedCan be cachedNot cached
Encoding typeapplication/x-www-form-urlencodedapplication/x-www-form-urlencoded or multipart/form-data. Use multipart encoding for binary data
HistoryParameters remain in browser historyParameters are not saved in browser history
Restrictions on data lengthYes, when sending data, the GET method adds the data to the URL; and the length of a URL is limited (maximum URL length is 2048 characters)No restrictions
Restrictions on data typeOnly ASCII characters allowedNo restrictions. Binary data is also allowed
SecurityGET is less secure compared to POST because data sent is part of the URL. Never use GET when sending passwords or other sensitive information!POST is a little safer than GET because the parameters are not stored in browser history or in web server logs
VisibilityData is visible to everyone in the URLData is not displayed in the URL
Data AllowedOnly string data type is allowedNo restriction on data type

How to Redirect http to https What is http Response

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