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If your developers are able, I would prefer to see these tabs handled with hashes instead of URL parameters, like this: http://www.dedoose.com/in-the-field/#1 (Overview) http://www.dedoose.com/in-the-field/#2 (Publications) http://www.dedoose.com/in-the-field/#3 (Events) http://www.dedoose.com/in-the-field/#4 (Case Studies) Even better would be to created dedicated pages for these topics and get rid of the tabs like Dirk mentioned. Also as Dirk mentioned, set a canonical tag for these pages and crawlers should index them correctly: For example, all of your "In The Field" pages would have this exact canonical, regardless of parameters or hashes: