comScore, Inc. released its monthly qSearch analysis of the U.S. search marketplace.
Google had a 66.1% share all searches, an increase of 0.7% from August 2010.
Yahoo finished second with a 16.7% search share down from 17.4% in August while bing.com held steady with 11.2%
Ask.com and Aol.com accounted for the balance of search share.
The September 2010 qSearch figures reflect the impact of Google Instant Search.
From comScore’s blog:
“”As a part of comScore commitment to accurately represent the continued evolution of the search landscape, beginning this month, comScore is providing insight into the share of algorithmic Explicit searches that are powered by Google and Bing, and branded as such to the consumer.”
“Google’s “powered by” share is composed of searches conducted at Google entities, as well as AOL and most of Ask’s MyWebSearch.”
“Bing’s “powered by” share is composed of searches conducted at Bing entities as well as Yahoo! Web Search, Yahoo! Image Search and Yahoo! Video Search. Some of Yahoo!’s in-channel searches, such as movies and finance, are still provided by Yahoo!”
In September, 69.1% of searches carried organic search results from Google, while 23.5%of searches were powered by Bing organic results.