Is Yahoo best search engine for SEO?

[clarioncomputer]

Whether Yahoo is the best search engine for SEO?

[unbrakochaz]

In the UK its hardly worth bothering with. Google have a 90%+ share, Yahoo about 4%

[dazzle]

Optimizing for these two search giants isn't too different from your Google SEO strategy. Actually, it's more like one search giant — Yahoo has been powered by Bing since 2009, and their SEO best practices are quite similar.