by Andrew Redfern @ 20th June 2008 8:25 am

comScore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today released its monthly comScore qSearch analysis of the U.S. search marketplace. In May 2008, Americans conducted 10.8 billion core searches, with Google Sites increasing its market share slightly.

In May, Google Sites’ share of core searches reached 61.8 percent, up from 61.6 percent the previous month. Yahoo! Sites ranked second with a 20.6 percent share (up from 20.4 percent the prior month), followed by Microsoft Sites (8.5 percent), AOL LLC (4.5 percent), and Ask Network (4.5 percent).

comScore Core Search Report
Core Search Entity                 Apr-08          May-08          Apr-08
Google Sites                        61.6%           61.8%           0.2
Yahoo! Sites                        20.4%           20.6%           0.2
Microsoft Sites                      9.1%            8.5%          -0.6
AOL LLC                              4.6%            4.5%          -0.1
Ask Network                          4.3%            4.5%           0.2

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.

Americans conducted 10.8 billion searches at the core search engines, representing a 2-percent increase versus April. Google Sites handled nearly 6.7 billion core searches, followed by Yahoo! Sites with 2.2 billion, and Microsoft Sites with 920 million.

comScore Core Search Report*
Core Search Entity                 Apr-08          May-08           Apr-08
Total Core Search                  10,582          10,777             2%
Google Sites                        6,514           6,664             2%
Yahoo! Sites                        2,159           2,221             3%
Microsoft Sites                       961             920            -4%
AOL LLC                               491             486            -1%
Ask Network                           458             486             6%

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.

In comScore’s May 2008 analysis of the Top 50 properties where search activity is observed, Google Sites led with 8.8 billion searches. Yahoo! Sites ranked second with 2.4 billion searches, followed by Microsoft Sites (963 million), and AOL LLC (831 million).

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Other Related Stories That May Be Of Interest:

1. comScore releases search engine rankings for March
2. Search Engines: Google increase share; Yahoo, Ask drop
3. Americans conducted 9.9 billion search engine searches in February
4. Americans conducted 12.6 billion searches 7% on September
5. Online Searches Down 3% In November
6. Yahoo Leads Japanese Search Engine Searches
7. Microsoft Tops Online Display Advertiser in June
8. comScore releases UK search trend data
9. Google extended share of searches to 61.6%
10. Top European search engine properties released

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