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Using the Google PageSpeed Online, it looks like the CSS/Images/JS files of most of my plugins (including wp-nivo-slider) do not get their expires-headers set. Is there a solution for this so that W3 Total Cache will set the expires headers on all the media on my page?

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2 Answers 2

up vote 3 down vote accepted

Make sure your hosting provider offer mod_expires. Because many shared hosting providers doesn't offer mod_expires . Just contact your hosting support.

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That was it - THANKS! –  GavinR Jul 29 '11 at 23:50

Check if Performance > Browser Cache > General > Set expires header is checked.

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Yes it is. Using the PageSpeed tool I can see that only the assets associated with plugins are not getting the expires headers set. –  GavinR Jun 27 '11 at 21:03

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