Duplicate Content Issues?
Today, Google webmaster tools has launched a new message alert to let site owners know when a particular URL doesn’t appear because Google sees it as duplicate of a URL on a different domain. In the blog post announcing the feature and in an in-depth help topic, they provide details on how they identify duplicate clusters of content and choose a “canonical” version of that cluster to display in search results.
via Do You Have Duplicate Content Issues Across Domain? Google Will Now Alert You.



