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POHelp speed up website performance, especially in IE8
 

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    <p>Where would you start if you were trying to make this webpage load faster?</p> <p>Site: <a href="http://www.gameonglove.com/" rel="nofollow">Game-On Glove</a></p> <p>It is JavaScript heavy because the goal was a one-page layout with light-boxed checkout. The hosting platform creates some limitations in the server side code department.</p> <p>If there's a Flash or JavaScript banner that anyone knows of that looks as nice, is XML-driven, and actually takes advantage of parallel downloads, please let me know. I chose to pre-load the bunch of 250px images that appear in our Flash gallery to take advantage of parallel downloads, which our Flash banner of choice doesn't take advantage of.</p> <p>Apart from that though, in the Firefox Firebug NET tab I see:</p> <ol> <li>Initial gameonglove.com request takes 6.75s. This seems high. I wonder if I could start reducing it by packaging up most of the JavaScript into external files.</li> <li>To reduce our massive number of images I could replace the white background with grey borders with some kind of rounded border instead of dedicating an image for each background.</li> <li>Facebook, addthis.com, and google-analytics.com downloads take about 7s, and put the rest of the page load on hold. Problem being, they wait for the <code>onLoad</code> event to fire I believe. I'm not sure what else to use as the event trigger, but I probably shouldn't have to resort to something else.</li> <li>I'm not entirely sure which hostnames to keep, and which ones to host on our server to optimize our DNS to parallel download ratio. </li> </ol> <blockquote> <p>Avoiding DNS lookups cuts response times, but reducing parallel downloads may increase response times. My guideline is to split these components across at least two but no more than four hostnames. <a href="http://developer.yahoo.com/performance/rules.html" rel="nofollow">http://developer.yahoo.com/performance/rules.html</a></p> </blockquote> <p>Help would be greatly appreciated.</p>
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    1. COI'd start by profiling with something like dynaTrace Ajax Edition.
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    2. CODid you try Google Chrome with SpeedTracer? It's pretty neat for these kind of problems.
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    3. COI haven't checked into those two tools. I've used the Google Timeline and Firefox's Yslow and Page Speed add-ons, and the Firebug NET tab to observe how and when files are downloaded. I've also used the Chrome and Firefox Profilers but I didn't find them particularly helpful.
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