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It is a means for the browser to tell the server and any intermediate caches that it wants a fresh version of the resource. The Pragma: no-cache header field, defined in the HTTP/1.0 spec, has the same purpose. It, however, is only defined for the request header. Its meaning in a response header is not specified. [77]
In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. [1] It is often used when uploading a file or when submitting a completed web form.
JSON-WSP is a web service protocol that uses JSON for service description, requests and responses. [1] It is inspired from JSON-RPC , but the lack of a service description specification with documentation in JSON-RPC sparked the design of JSON-WSP.
HTTP/3, the successor to HTTP/2, was published in 2022. [13] As of February 2024, it is now used on 30.9% of websites [14] and is supported by most web browsers, i.e. (at least partially) supported by 97% of users. [15] HTTP/3 uses QUIC instead of TCP for the underlying transport protocol. Like HTTP/2, it does not obsolete previous major ...
The range header is used by HTTP clients to enable resuming of interrupted downloads, or split a download into multiple simultaneous streams. 207 Multi-Status (WebDAV; RFC 4918) The message body that follows is by default an XML message and can contain a number of separate response codes, depending on how many sub-requests were made. [7]
Custom header fields can be added to the request to indicate how the server should fulfill it, [12] and data can be uploaded to the server by providing it in the "send" call. [13] The response can be parsed from the JSON format into a readily usable JavaScript object, or processed gradually as it arrives rather than waiting for the entire text ...
Normally, such header fields would be sent in the message's header; however, it may be more efficient to determine them after processing the entire message entity. In that case, it is useful to send those headers in the trailer. Header fields that regulate the use of trailers are TE (used in requests), and Trailers (used in responses).
OData uses the HTTP verbs to indicate the operations on the resources. GET: Get the resource (a collection of entities, a single entity, a structural property, a navigation property, a stream, etc.). POST: Create a new resource. PUT: Update an existing resource by replacing it with a complete instance.