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Google Penguin



Google Penguin is a Google algorithm. The update is aimed at decreasing search engine rankings of websites that violate Google’s Webmaster Guidelines by using black-hat SEO techniques such as keyword stuffing, cloaking,participating in link schemes,deliberate creation of duplicate content, and others.

Naming the algorithm update

Penguin update went live on April 24, 2012

How different Penguin from previous updates?



Before Penguin Google released a series of algorithm updates called Panda. It aimed at downranking websites that provided poor user experience. To identify such websites, a machine-learning algorithm by Navneet Panda was used, hence the name. The algorithm follows the logic by which Google’s human quality raters determine a website’s quality. In January 2012 Google launched page layout algorithm update which targeted websites with little content above the fold. All the three updates that Panda, Penguin and page layout update share is to display higher quality websites at the top of Google’s search results. The main target of Google Penguin update is to check webspam.
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