Re: Web Site Speed: Prefetching Images, CSS, JS Files

Posted by Kromey at 8:52pm Dec 2 '09
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I've only ever used prefetching in the case of JavaScript effects (usually rollovers) that change an image that's already displayed - I'll prefetch the next image so that the user gets an instant response the moment they first invoke the effect.

Of course, using CSS sprites instead for such effects would probably work better/faster, but so far I've never actually implemented CSS sprites anywhere.
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