13/10/2013
"3 GOOGLE ALGORITHM INTRODUCTION IN SHORT DESCRIPTION"
"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 sites" or "thin 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 complaints of scrapers/copyright infringers getting better rankings than sites with original content. At one point, Google publicly asked for data points.
"Google Penguin" is a code name, for a Google algorithm update that was first announced on April 24, 2012. The update is aimed at decreasing search engine rankings of websites that violate Google’s Webmaster Guidelines, by using now declared black-hat SEO techniques involved in increasing artificially the ranking of a webpage by manipulating the number of links pointing to the page. Such tactics are commonly described as link schemes, Unlike Page Rank, however, Google makes all updates to this algorithm public.
"Google Hummingbird" is the new Google algorithm, 27 September is Google's official birthday, making Google 15 years old. To celebrate their 15th birthday, Google launched, a new Hummingbird algorithm, claiming that Google search can be a more human way to interact with users and provide a more direct answer.