Google and Yahoo both gained search market share in October at the expense of Microsoft and Time Warner, according to a report released Monday by Internet metrics company comScore.

Google sites processed 45.4% of U.S. search queries, a gain of 0.3 percentage points from September. Yahoo handled 28.2% of searches during the same period, up 0.1 percentage points from the previous month.

At the same time, Microsoft’s search market share dropped by 0.2 percentage points to 11.7% while Time Warner’s search share declined by the same fraction, leaving it with 5.4% of the query market. Ask’s share of U.S. searches remains steady at 5.8%.

Source: InformationWeek