Bill Hartzer

Search Engine Rankings – Search Market Share for May 2011

As you probably know by now, every month I make it habit of posting the latest search engine market share–the search engine rankings for the previous month, as provided by comScore. As such, comScore has released its monthly comScore analysis of the United States search marketplace. As always, Google‘s web sites led the search market again in May 2011 with 65.5 percent of all search queries conducted in the United States. Yahoo! has 15.9 percent market share and Microsoft has 14.1 percent.

comScore notest that the May 2011 data represents the second month of results that include the impact of Yahoo! Search Direct, Yahoo!’s new feature that “delivers search results in real-time while users type their query.”

According to comScore, web sites owned by Google “led the U.S. explicit core search market in May with 65.5 percent market share (up 0.1 percentage points), followed by Yahoo! Sites with 15.9 percent and Microsoft Sites with 14.1 percent. Ask Network accounted for 2.9 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.”

During May 2011, more than 17 billion search queries were conducted. This is actually up five percent over April 2011.

Google-owned websites had 11.2 billion search queries, which is up 5 percent.

Yahoo!-owned websites had 2.7 billion search queries, also up 5 percent since the previous month.

Microsoft-owned websites had 2.4 billion search queries during May 2011, which is up 4 percent versus April 2011.

Ask had 502 million search queries total.

AOL had 254 million search queries total during May 2011. AOL’s search queries are up only 2 percent.

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