Yahoo! is an American internet companies headquartered in Sunnyvale, California, as well as possessed by Verizon Media. The initial Yahoo! company was founded by Jerry Yang as well as David Filo in January 1994 and also was integrated on March 2, 1995. Yahoo was one of the leaders of the early Internet period in the 1990s.

It gives or offered a Web site, online search engine Yahoo! Look, as well as related solutions, consisting of Yahoo! Directory site, Yahoo! Mail, Yahoo! News, Yahoo! Financing, Yahoo! Groups, Yahoo! Solutions, advertising and marketing, online mapping, video sharing, fantasy sports, and its social networks website. At its height it was among one of the most prominent websites in the United States. According to third-party web analytics companies Alexa and SimilarWeb, Yahoo was one of the most widely read information as well as media site-- with over 7 billion sights each month-- ranking as the sixth-most-visited internet site internationally in 2016.

Once among the biggest internet firms, Yahoo slowly decreased beginning in the late 2000s, as well as in 2017 Verizon Communications obtained most of Yahoo's Internet organisation for $4.48 billion, excluding its risks in Alibaba Group and also Yahoo! Japan, which were moved to Yahoo's follower company Altaba.= Despite its decline from importance, Yahoo domain name sites are still among one of the most preferred, ranking 10th worldwide according to the Alexa positions since October 2019.