
Optimization: Finding unUsed CSS in your website Published on January 18, 2010
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Dust-Me Selectors is a Firefox extension (for v1.5 or later) that finds unused CSS selectors.
It extracts all the selectors from all the stylesheets on the page you’re viewing, then analyzes that page to see which of those selectors are not used. The data is then stored so that when testing subsequent pages, selectors can be crossed off the list as they’re encountered.
You can test pages individually, or spider an entire site, and you’ll end up with a profile of which selectors are not used anywhere.
You can read all about, and download it here: www.sitepoint.com/dustmeselectors/
