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  • #40325

    When considering the ‘zoom:1’ idea for clearfix’s, I’ve been conditionally been including a tiny CSS file for browsers < IE9. If left in the main css file, it works without issue, but does not validate. Other than being anal, how does validation effect css and the performance of a website? (excuse me if this is uber-newb!)

    Kitty Giraudel

    I think the cleaner your CSS is, the faster it will be for the browser’s CSS parser.

    But I wouldn’t chase the perfect score if I were you. Firstly because a single line of CSS3 would make this impossible, and mostly because it has no point, contrary to valid markup.

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