Joe Wilson

Joe Wilson

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Why does server send both Etag and date for modifying user?

Nov 15 2016 1:41 AM
 I was reading about headers that client and server send to each other and I have a question, server and client can use date header to modify server and Etag , my question is this: why does server and client use both Etag and date headers to modifying therefore they can use just one of these ? why does both of these headers were created?
please explain more about these headers and differences of these headers.
thank you very much. 

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Answers (2)