[Top 10 global search engine rankings] Google's global market share is 68%, ranking first. Yahoo is second with a 7% market share, Baidu is third with a 6.5% market share, Microsoft is fourth with a 3% market share, followed by eBay, NHN, Yandex, Facebook, Ask and Alibaba. China is the world's second largest search market, with a 10% share. It seems that search engine optimization in China still depends on google and Baidu.