Search Market Share Unchanged in May

Market share among U.S. search engines remained unchanged during the month of May, according to comScore.

Compared to data from April, the measurement firm estimated Google was the only provider to see an increase in its share of searches, growing marginally by 0.1 percentage points.

Ask, meanwhile, saw its share dip by 0.1 percentage points, while Yahoo and Microsoft failed to gain any share over the course of the month.

Explicit Core Share* of U.S. Searches Among Leading Providers, May 2011 vs. April 2011
  Share of Searches (%)

April 2011

May 2011

Month-over-Month Point
Change (%)

Google Sites 65.4 65.5 0.1
Yahoo Sites 15.9 15.9 0.0
Microsoft Sites 14.1 14.1 0.0
Ask Network 3.0 2.9 -0.1
AOL Network 1.5 1.5 0.0

Note: Data is based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

*Excludes contextually driven searches that do not reflect specific user intent to interact with search results.

Source: comScore 2011

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