A Google Webmaster Help thread has discussion around Japanese domains and how Google may treat them. Honestly, I know very little about this topic, so I hope I do justice to this thread. Example of Punycode domains versus Unicode: Unicode - http://アアアアア.com Punycode - http://xn--cckg5dfdwc.com Google said, for "domain names in Punycode are equivalent to their Unicode ...

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