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.

  • i m also facing same problem on IIS 6.0 . Plz help me.
    – user7448
    May 12, 2011 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, 2011 at 10:43

1 Answer 1


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


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