The following 6 HTTP Preference values were found in all available webconcepts.info specifications. Please be advised that the table shown here is maintained and compiled from Web Concepts sources. The official HTTP Preference registry is maintained by the Internet Assigned Numbers Authority (IANA).

HTTP Preference Specification
depth-noroot RFC 8144: Use of the Prefer Header Field in Web Distributed Authoring and Versioning (WebDAV)
handling RFC 7240: Prefer Header for HTTP
respond-async RFC 7240: Prefer Header for HTTP
return RFC 7240: Prefer Header for HTTP
safe RFC 8674: The “safe” HTTP Preference
wait RFC 7240: Prefer Header for HTTP


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