The organic search results, query, and advertisements are the three main components of the SERP, However, the SERP of major search engines, like Google, Yahoo!, Bing, Petal, Sogou may include many different types of enhanced results (organic search, and sponsored) such as rich snippets, images, maps, definitions, answer boxes, videos or suggested search refinements. A recent study revealed that 97% of queries in Google returned at least one rich feature.[2]