What is better? No canonical or two canonicals to different pages?
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I have a blogger site that is adding parameters and causing duplicate content. For example:
I decided to implement a canonical tag on these pages pointing to the correct version of the page. However, for the parameter ?m=0, the canonical keeps pointing to itself.
Ex: www.mysite.com/?m=0 The canonical = www.mysite.com/?m=0
So now I have two canonicals for the same page. My question is if I should leave it, and let Google decide, or completely remove the canonicals from all pages?
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When Google sees more than one canonical reference on a page, they will more than likely ignore all canonical hints that page has. Keep that in mind when you make your decision. If the canonical tags are working on most pages, but not on that one specific page with ?m=0, you might want to keep them implemented. If the issue is larger than that and you're seeing it effect your site in a negative way, remove them and see how Google responds.
Here's a link to canonical information I refer to: http://googlewebmastercentral.blogspot.com/2013/04/5-common-mistakes-with-relcanonical.html
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