
A 302 redirection is used in a website to inform the search engines that the move is only temporary, and to index the original URL instead of destination URL.
RFC 2616 explains 302 Found as "The requested resource resides temporarily under a different URI. Since the redirection might be altered on occasion, the client SHOULD continue to use the Request-URI for future requests. The temporary URI SHOULD be given by the Location field in the response. Unless the request method was HEAD, the entity of the response SHOULD contain a short hypertext note with a hyperlink to the new URI(s)."
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