At the end of January 2010, Google controlled 65.4 percent of the search-engine market, up 2.4 percent, from 63 percent, twelve months earlier, according to comScore, the web-tracking firm.
Microsoft was the only other search engine that gained market share. Microsoft had a total of 11.3 percent of the market in January 2010, up from 8.5 percent in January 2009. Microsoft was losing share in the search engine market until it launched Bing in June 2009. In the following month, Microsoft increased share by .4 percent, according to comScore.
Yahoo!, Ask Network, and AOL LLC Network each lost popularity in the last 12 months. Yahoo! was hit the hardest, dropping from 21 percent of the market in January 2009 to 17 percent by January of this year. Ask Network went from having 3.9 percent of the market to having 3.8 percent. AOL LLC Network lost 1.2 percent, taking it from 3.7 percent of the market to 2.5 percent by the end of January 2010.