Yahoo continues to lose share in the search market, as Google and Microsoft pick up the difference.
| ComScore Core Search Report October 2009 vs. September 2009 Total U.S. – Home/Work/Universuty Locations Source: ComScore Core Search |
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| Core Search Entity | Share of Searches (%) | ||
| Sep-09 | Oct-09 | Point Change Oct-09 vs. Sep-09 | |
| Total core Search | 100.00% | 100.00% | N/A |
| Google Sites | 64.9% | 65.4% | 0.5 |
| Yahoo! Sites | 18.8% | 18.0% | -0.8 |
| Microsoft Sites | 9.4% | 9.9% | 0.5 |
| Ask Network | 3.9% | 3.9% | 0.0 |
| AOL LLC Network | 3.0% | 2.9% |
-0.1 |
Comscore’s measurement of the U.S. search market in October shows that Google–as usual–still dominates the search landscape. It now watches 65.4 percent of all searches pass through its servers, up 0.5 market share points from September of this year.
Yahoo, on the other hand, is going in the other direction as new friend Microsoft reaps the benefits. Yahoo lost 0.8 market share points in October compared to September, now down to 18 percent of the market. It has been in a steady decline this year, as Microsoft has gained share with the relaunch of Bing: Microsoft almost cracked the 10 percent barrier in October with 9.9 percent of all searches, gaining 0.5 percentage points compared to September.
Total searches grew 3 percent from September to October. Searches done through Google increased 5 percent and those done through Microsoft increased 8 percent. Yahoo searches decreased by 1 percent over the same period
Computers and Networks 
Posted on November 19, 2009
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