What is Google Panda?

Google Panda is a change to the Google's search results ranking algorithm that was first released in February 2011 .
The change aimed to lower the rank of "low-quality sites", and return higher-quality sites near the top of the search results. CNET reported a surge in the rankings of news websites and social Networking sites, and a drop in rankings for sites containing large amounts of advertising. This change reportedly affected the rankings of almost 12 percent of all search results.

Soon after the Panda rollout, many websites, including Google's webmaster forum, became filled with…