IE7 not Caching CSS Image over SSL

Posted by Alex on Stack Overflow See other posts from Stack Overflow or by Alex
Published on 2009-09-23T19:43:01Z Indexed on 2010/04/21 20:13 UTC
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css

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ssl

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image-caching

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resource-caching

Hello, I'm using the WebDevHelper toolbar for Internet Explorer to troubleshoot HTTP requests/roundtrips on my SSL site and noticed that IE re-downloads my CSS :hover images every time they are triggered. This causes a huge amount of roundtrips.

How can I prevent this from happening?

Edit: All static content is served with cache-control: public, so images, javascript etc. are cached in Firefox and Chrome. This problem is IE specific.

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