Bing-powered searches—those served by Bing.com and search.yahoo.com—accounted for 30.01% of all US searches conducted in the four weeks ended April 28, 2012, up 5% from the previous month and 11% from the previous year, according to data from Experian Hitwise. 

Bing accounted for 14.32% of searches in April, up 5% from the previous month and 16% from the previous year, while Yahoo accounted for 15.69% of searches, up 5% from March and 7% from April 2011.

Even so, Google retained the largest share of search in April with 64.42%, down 3% from the previous month and 5% from the previous year.   

The remaining 65 search engines in the Hitwise Search Engine Analysis report accounted for 6.51% of US searches.

Longer Search Queries Increase 

The number of longer search queries—those averaging searches of five to eight words—increased 2% from March, while the number of shorter search queries—those averaging one to four words in length—was unchanged.

Searches of one-word comprised the plurality of searches, some 28.63% of all queries as of April, up 19% from the previous year.