Yahoo! Japan is a Japanese web portal. Its search engine was the most-visited website in Japan, nearing monopolistic status. According to The Japan Times, as of 2012, Yahoo Japan had a footprint o…Yahoo! Japan is a Japanese web portal. Its search engine was the most-visited website in Japan, nearing monopolistic status. According to The Japan Times, as of 2012, Yahoo Japan had a footprint on the internet market in Japan. In terms of use as a search engine, however, it has never surpassed Google. The company is the second largest search engine used in Japan as of July 2021, with a market share of 19% behind Google's 77%.