google penguin before & after - semdays
TRANSCRIPT
Founder @cognitiveSEO
SEO Tools for Pros
http://www.seomoz.org/blog/how-wpmuorg-recovered-from-the-penguin-update
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TRANSCRIPT
Founder @cognitiveSEO
SEO Tools for Pros
http://www.seomoz.org/blog/how-wpmuorg-recovered-from-the-penguin-update
•
•