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On my wordpress blog, i have 2 canonical links for every single post, like this: One is generated by wordpress theme: rel='canonical' href='http://site.com/article-title/' /> The other one is generated by AllinOne seo pack: <link rel="<a class="attribute-value">canonical</a>" content="<a class="attribute-value">http://site.com/article-title/</a>" /> I tried to remove one of them, but if i uncheck from AllinOne, the source code is the same. Also, on-page analysis from SeoMoz tells me that i need only one canonical link. I don't have errors in Google Webmater Tools. What should I do?