Yahoo uses the bing index, and aside from Google, Bing, and Yandex the only other larger english general search engine with its own index is Mojeek.
Seirdy's blog has more info on this along with reviews of more niche engines, and there is also the search engine map if you want something more visual.
Yahoo uses the bing index, and aside from Google, Bing, and Yandex the only other larger english general search engine with its own index is Mojeek. Seirdy's blog has more info on this along with reviews of more niche engines, and there is also the search engine map if you want something more visual.