Google continued to be the prime tool used to seek online information, handling 65.7 per cent of "explicit" queries as compared to 65.4 per cent the previous month, comScore reported.
Yahoo! websites remained the second most popular place for Internet searches, but its portion of queries slid 0.4 per cent in the month to 15.7 per cent, according to comScore.
The number of online searches done using Microsoft's Bing service rose 0.3 per cent to 13.9 when compared to February.
Since Bing powers Internet search at Yahoo! websites, the engine actually accounted for 29.6 per cent of US queries in what was seen as positive momentum for Microsoft in the market.
Ask and AOL saw their search shares drop a tenth of a per cent each to 3.1 and 1.6 respectively, according to comScore.
More than 16.9 billion "explicit core searches" were conducted in March, with Google tending to 11.1 of them, comScore reported.
Explicit searches were described as people seeking online information they clearly intended to interact with.
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