Overview#

Hypertext Transfer Protocol (HTTP 1.1) Conditional Requests is described in RFC 7232 is a method including metadata HTTP Header Field fields for indicating state changes, request header fields for making preconditions on such state, and rules for constructing the responses to a conditional request when one or more preconditions evaluate to false.

More Information#

There might be more information for this subject on one of the following:

• RFC 7232