comScore Inc. (SCOR) has released its monthly comScore qSearch analysis of the U.S. search marketplace, which shows Google Inc. (GOOG) sites tops, accounting for 63 percent of searches for August.
Last month, Americans conducted 11.7 billion core searches, virtually unchanged from July. With 7.4 billion core searches in August, Google sites extended its lead in core search market share by 1.1 percentage points.
Google sites led the U.S. core search market in July with 63 percent of the searches conducted, up from 61.9 percent in July, followed by Yahoo! sites (19.6 percent), Microsoft sites (8.3 percent), Ask Network (4.8 percent), and AOL LLC (4.3 percent).
Both Yahoo sites and Microsoft sites lost ground from July to August, according to comScore.