Google Panda is a change to Google‘s search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of "low-quality
Google Penguin, Google Panda, and Google Algorithms 2013
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Bill Hartzer provides a historical view of the Google algorithms most in use today, including Google Panda, Google Penguin, and Google Hummingbird. Learn about these algorithm and filters, and how to recover from Google Penguin and Google Panda if your website was penalized.