On fre, 2007-09-21 at 11:06 -0400, Tom Donovan wrote: > Already-compressed data; like .jpg, .gif, .png, .zip, .tgz, .jar, and > any content filtered by mod_deflate are re-compressed. This uses > non-trivial CPU cycles for no (or slightly negative) benefit.
Bot yes and no. Unlike HTTP, SSL compression applies to the whole datastream including request & response headers, not only the object body. So exchanges of small objects over a persistent connection is likely to compress quite well even if the exchanged object as such is already fully compressed. But it may be a problem for large exchanges, or when KeepAlive is off.. Regards Henrik
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