<< by Amanda Sides on September 3rd, 2013
Does your company do business internationally? If you have separate domains, subdomains or subdirectories for each language variant, you may be running the risk of duplicate content penalties. What this means is without even knowing it, you could be ruining your established rankings for your US site just by having other language translations out there.
Fret not, as there is a simple solution to help Google understand that these should not be seen as duplicate content, but simply as alternate versions of the original: the hreflang link attribute (example shown below).