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Yes it is possible using Apache and PHP, by setting the expires and cache-control using header(), you can find out more about what is, and what is not supported in the HTTP/1.1 specification. PHP headers will look something like this: $seconds_to_cache = 3600; $ts = gmdate("D, d M Y H:i:s", time() + $seconds_to_cache) . " GMT"; header("Expires: $ts"); ...



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