Well-known and less-known HTTP Request Methods (source wikipedia and www)
HEAD (less-known)
Asks for the response identical to the one that would correspond to a GET request, but without the response body. This is useful for retrieving meta-information written in response headers, without having to transport the entire content. Lots of bookmark management plugins use it for checking if the url still exists or not.
GET (well-known)
Requests a representation of the specified resource. By far the most common method used on the Web today. Should not be used for operations that cause side-effects (using it for actions in web applications is a common misuse). Idempotent ... See 'safe methods' below.
POST (well-known
Submits data to be processed (e.g. from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.
PUT (less known)
Uploads a representation of the specified (single) resource.
DELETE (less known)
Deletes the specified resource.
TRACE (less known)
Echoes back the received request, so that a client can see what intermediate servers are adding or changing in the request.
OPTIONS (less known)
Returns the HTTP methods that the server supports. This can be used to check the functionality of a web server.
CONNECT (less known)
Converts the request connection to a transparent TCP/IP tunnel, usually to facilitate SSL-encrypted communication (HTTPS) through an unencrypted HTTP proxy.[1]
HEAD (less-known)
Asks for the response identical to the one that would correspond to a GET request, but without the response body. This is useful for retrieving meta-information written in response headers, without having to transport the entire content. Lots of bookmark management plugins use it for checking if the url still exists or not.
GET (well-known)
Requests a representation of the specified resource. By far the most common method used on the Web today. Should not be used for operations that cause side-effects (using it for actions in web applications is a common misuse). Idempotent ... See 'safe methods' below.
POST (well-known
Submits data to be processed (e.g. from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.
PUT (less known)
Uploads a representation of the specified (single) resource.
DELETE (less known)
Deletes the specified resource.
TRACE (less known)
Echoes back the received request, so that a client can see what intermediate servers are adding or changing in the request.
OPTIONS (less known)
Returns the HTTP methods that the server supports. This can be used to check the functionality of a web server.
CONNECT (less known)
Converts the request connection to a transparent TCP/IP tunnel, usually to facilitate SSL-encrypted communication (HTTPS) through an unencrypted HTTP proxy.[1]
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