Looking to start with a basic.css and have JavaScript load enhanced.css when JavaScript is ebabled. What major negatives will this have for Search Engines indexing and ranking my site?

  • basic.css has CSS resets and almost nothing else (no major layout styles). Enhance.css has responsive design CSS styles e.g. 320, 480, 768, 1024, etc layouts...) Commented Apr 25, 2011 at 7:46

2 Answers 2


err - none.

Search Engines don't really care about your presentation - just your content (and links).

The only time this could become a factor is if you are using either JS or CSS or a combination of both to deliberately hide content (in the spammy sense, not in the AJAX toggle sense), or to try and hide a sneaky redirect.

You could start to concern yourself with absolute positioning and it's impacts, but even at that level of granularity, you'd be worrying about nothing in the grand scheme of things.


It's the actual content that matters to search engines - the presence or lack of a stylesheet shouldn't make any real difference. A possible exception being if JavaScript is used to make significant changes to the markup, which the SEs would not pick up on. That aside, I can't see what difference it makes.

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