Question: what are top 5 search engines?
Answer: Google. With over 70% of the search market share, Google is undoubtedly the most popular search engine. ... 
Bing. Bing, Google's biggest contender, rakes in 33% of U.S. searches and also powers Yahoo, the U.S.'s third biggest search engine. ... 
Baidu. ... 
4. Yahoo! ... 
Yandex. ... 
Ask.com. ... 
DuckDuckGo.