Yahoo, Google, and Bing Compared by Citigroup
Citigroup conducted a study comparing 200 queries on Google, Yahoo and Bing. The study found that Google is much more relevant than Bing, in returning relevant results. Google returned the most relevant result 71 percent of the time, compared with Bing at 49 percent of the time and Yahoo 30 percent of the time. …
Queries chosen were from the following categories:
Broken down in areas relevant to our business searching – in Health, Bing was the winner, bringing in 53% of relevant citations; in News, Google was the winner at 45%; in Local, Google was the winner at 58%; and in Other, Google was the winner at 37%.