With Google Search you can search for information from webpages, images, videos and more. Google Search is the world's most popular search engine and dominates the search market with close to 90% market share. In the early days of search, Google was able to provide better results than its competitors, thanks to its Google Page Rank algorithm. The algorithm focused on calculating relevancy through backlinks found online. Today, Google's ranking algorithm includes over 200 major signals to establish site authority and ranking.