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Posted by Jim Higson on 11/18/05 13:00
Dylan Parry wrote:
> As if the love poetry wasn't enough, Jim Higson just had to say:
>
>> Ouch! That should really hit performance on IE if it has to load the
>> normal PNG image *and* the IE compromise GIF image.
>
> Actually, looking at your case again, as the CSS for IE literally
> overrides the CSS for other browsers, it /should/ (will?) only load the
> GIF image, so shouldn't (won't?) affect performance.
But if IE "load[s] everything whether it needs it or not", surely it would
load both, unless there is some kind of inference engine that logically
proves the PNG will never be needed :)
I suppose the only way to find out for sure would be a packet sniffer
(probably ethereal). Shame I don't have a Windows box to test this out on.
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