The Best Free (or Cheap) Tools for Blogger and Influencer Outreach
Adam Sherk
APRIL 30, 2013
You can also use Topsy Analytics to compare profiles, domains or keywords and see what content has received the most links. But if you are looking for a simple way to do a relative comparison of users, these tools offer a basic metric you can use. The tool indexes millions of RSS feeds and a Feed Authority score is applied to each.
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