What Google's Penguin Algorithm Means for Your Business
mashable.com
JULY 4, 2012
The two most recent algorithm changes are: Panda : Officially rolled out in February 2011, but there have been about 13 data refreshes of it since then. Google SEO went into free fall from first week of April until middle of May for refinements. Lame SEO people called it Penguin to justify to clients why SEO had fallen.
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