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From a minimising duplicate content perspective is it best to create all blog posts with a single tag so google doesn't think the same post being returned via a different tag search is duplicate content. I.e. the urls below return the same blog post; or doesn't it matter. for example http://www.ukholidayplaces.co.uk/blog/?tag=/stay+in+Margate http://www.ukholidayplaces.co.uk/blog/?tag=/Margate+on+a+budget are the same posts... thanks