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Editorial Team
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Asked: 2026-05-28T17:27:50+00:00

Is there an easy way to add expires headers to static content coming from

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Is there an easy way to add expires headers to static content coming from an appharbor site? I have a bunch of images, css and javascript files which have no expiry set and are holding me back on yslow.

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1 Answer

  1. Editorial Team

    You can do this in Web.config:

    <system.webServer>
    <staticContent>
        <clientCache httpExpires="Sun, 29 Mar 2020 00:00:00 GMT" cacheControlMode="UseExpires" />
    </staticContent>
</system.webServer>
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