Yahoo! is an American web services provider headquartered in Sunnyvale, California, and also had by Verizon Media. The initial Yahoo! firm was founded by Jerry Yang as well as David Filo in January 1994 and also was incorporated on March 2, 1995. Yahoo was among the leaders of the early Internet age in the 1990s.

It supplies or offered a Web portal, search engine Yahoo! Look, and also relevant services, consisting of Yahoo! Directory site, Yahoo! Mail, Yahoo! News, Yahoo! Financing, Yahoo! Groups, Yahoo! Responses, advertising and marketing, on the internet mapping, video clip sharing, fantasy sports, as well as its social media sites website. At its height it was one of one of the most popular sites in the United States. According to third-party web analytics suppliers Alexa as well as SimilarWeb, Yahoo was the most widely read news as well as media internet site-- with over 7 billion views each month-- ranking as the sixth-most-visited website internationally in 2016.

As soon as among the biggest web firms, Yahoo gradually decreased starting in the late 2000s, and in 2017 Verizon Communications got the majority of Yahoo's Internet service for $4.48 billion, omitting its risks in Alibaba Group as well as Yahoo! Japan, which were moved to Yahoo's successor business Altaba.= Despite its decrease from prestige, Yahoo domain name websites are still among one of the most preferred, ranking 10th on the planet according to the Alexa rankings since October 2019.