From North America: Google (NASDAQ:GOOG) maintained its top position among US Internet search services in March, taking 66.4 percent of the market share, while Yahoo's (NASDAQ:YHOO) share edged down 0.1 percentage point from February to 13.7 percent.
According to industry researcher ComScore (NASDAQ:SCOR), Microsoft's (NASDAQ:MSFT) share of the US search market held steady in second at 15.3 percent.
IAC/InterActiveCorp.'s (NASDAQ:IACI) Ask.com saw its share remain unchanged, accounting for three percent of "explicit core searches" in March, while AOL's (NYSE:AOL) market share moved up 0.1 percentage point to 1.6 percent.
ComScore measures U.S. explicit core searches, which exclude contextually driven searches that don't reflect any specific user intent.
Americans conducted 18.4 billion explicit core searches in March, up four percent from 17.6 billion in February. Google sites again ranked first with 12.2 billion searches, an increase of four percent.
Microsoft took second place, with 2.8 billion searches, up five percent, followed by Yahoo sites with 2.5 billion, a rise of four percent.
In March, ComScore also reported that 68.6 percent of searches carried organic search results from Google, while 25.9 percent of searches were powered by Bing, versus 26.2 percent in February.