Why Blogs that Allow Guest Posts Will Be Penalized in 2013
ProBlogger
FEBRUARY 14, 2013
Just as low-level article directories (ezinearticles, articlesbase, and others) got hurt by Google’s Panda Update in 2013, I predict that Google will hurt sites abusing guest blogging in 2013. In 2013, that is my prediction. No, you don’t have to put Nofollow tags on every outbound link; Google does not want that.
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