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I'm using the Page Speed Firebug plug-in to check my sites.

But I don't know how to fix the "Leverage browser caching" error, since I don't know you specify a cache lifetime to the browser in images and css files.

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i m also facing same problem on IIS 6.0 . Plz help me. – user7448 May 12 '11 at 12:41
@Anuja - Please take a look at the accepted answer's link and, if the information provided does not help you resolve the issue, post a new question describing the issue and the actions you have taken. – danlefree May 13 '11 at 10:43
up vote 2 down vote accepted

Looks like you're using IIS, so you probably want to start with this TechNet document.

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I'll take a look at it. Thanks! – Eduardo Molteni Aug 10 '10 at 14:22

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