Posted by Jim Higson on 11/18/05 16:01

Els wrote:

> Jim Higson wrote:
>> 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.
>
> If you upload a page with a test case, I don't mind visiting it with
> my Windows machine, and you can see in your logs which images are
> loaded.
> My guess is both though, largely based on the earlier background-image
> and display:none issue as mentioned by Dylan.

Ok, I'll email you when the test page is up, then post the results here
later.

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