Document Name: RFC 7240
Document URI: urn:ietf:rfc:7240
Online Version:
Organization: Internet Engineering Task Force (IETF)
Series: Request for Comments (RFC)
Abstract: This specification defines an HTTP header field that can be used by a client to request that certain behaviors be employed by a server while processing a request.

Specified Web Concepts:

HTTP Header Fields

Prefer , Preference-Applied

HTTP Preferences

handling , respond-async , return , wait

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