Comment on Black Hat SEO Case Study: How Mahalo Makes Black Look WhiteparentComments−patio1116yrel=canonical won't work if the domain Google sees you on is different from the one specified as canonical. This is to prevent people capable of content injection from hijacking entire websites in a subtle manner.−dminor16yGoogle says otherwise: http://googlewebmastercentral.blogspot.com/2009/12/handling-...No doubt they must use other indicators to ensure the authoritative source.
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rel=canonical won't work if the domain Google sees you on is different from the one specified as canonical. This is to prevent people capable of content injection from hijacking entire websites in a subtle manner.
Google says otherwise: http://googlewebmastercentral.blogspot.com/2009/12/handling-...
No doubt they must use other indicators to ensure the authoritative source.