Google Launch Penguin 2.0 Version - 4 In 22 May 2013

We started rolling out the next generation of the Penguin webspam algorithm this afternoon (May 22, 2013), and the rollout is now complete. About 2.3% of English-US queries are affected to the degree that a regular user might notice. The change has also finished rolling out for other languages world-wide. The scope of Penguin varies by language, e.g. languages with more webspam will see more impact.

This is the fourth Penguin-related launch Google has done, but because this is an updated algorithm (not just a data refresh), we’ve been referring to this change as Penguin 2.0 internally.

Previous Penguin Updates:

Penguin 4? Penguin 2.0? We could each release of penguin in sequential order, so it’s easy to know when one happened. The list so far:

Penguin 1 on April 24, 2012 (impacting ~3.1% of queries)
Penguin 2 on May 26, 2012 (impacting less than 0.1%)
Penguin 3 on October 5, 2012 (impacting ~0.3% of queries)
Penguin 4 on May 22, 2013 (impacting 2.3% of queries)

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