Google penguin definition
In 2011, Google deployed the Panda filter for the first time, the aim of which is to remove from its results sites whose content is considered to be of poor quality. A year later, still with the aim of strengthening the user experience, the search giant is deploying a second filter called Penguin (Penguin in English). This time, it is the sites which have artificially increased their visibility, in particular with the help of poor quality external links, which are affected. What is Google Penguin? Launched on April 24, 2012, the Google Penguin filter attacks sites that use “fraudulent” referencing techniques in terms of netlinking or optimizations. These sanctioned techniques all aim to manipulate the results in favor of the site using them. Penalty factors Some time before, Google alerted on its blog the owners of Web sites by affirming that Penguin was "an important modification of its algorithm devoted to the fight against spam". The update planned to downgrade sites