Google Webmaster Tools: Unifying Web Content Under Multilingual Templates

If you've a global site containing pages where: "» template (i.e. side navigation, footer) is machine-translated into various languages » main content remains unchanged, creating largely duplicate pages," and sometimes search results direct users to wrong language, "we'd like to help you better target your international/multilingual audience through: ink rel="alternate" hreflang="a-different-language" href="http://url-of-the-different-language-page" />As you know, […]

If you've a global site containing pages where: "» template (i.e. side navigation, footer) is machine-translated into various languages » main content remains unchanged, creating largely duplicate pages," and sometimes search results direct users to wrong language, "we'd like to help you better target your international/multilingual audience through: ink rel="alternate" hreflang="a-different-language" href="http://url-of-the-different-language-page" />

As you know, when rel="canonical" or a 301 response code is properly implemented, we become more precise in clustering information from duplicate URLs, such as consolidating their linking properties. Now, when rel="alternate" hreflang="x" is included in conjunction with rel="canonical" or 301s, not only will our indexing and linking properties be more accurate, but we can better serve users the URL of their preferred language," said Google.

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