What is a HTTP conditional Request


An HTTP conditional request is a request that contains an IF headers


If-Modified-Since: Sat, 07 Feb 2015 16:44:03 GMT
If-None-Match: "e026b5aa0e4be8d990f093176b3dcb7f"

Note that you can get one or both from the usger agent (browser)



  • rfc7232, R. Fielding, J. Reschke. IETF.

Documentation / Reference

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