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Mon 14 Sep, 2009 06:18 am
According to me it is use to remove the duplication between same content of page. So that google should allow to crawl the pages.
Please give your comments ..
@tisashwani,
It allows you to specify which of your urls is the canonical url. Yes, it helps search engines figure out duplicate content issues.
You can read more about it here:
http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html