InfoSpace-owned metasearch engine Dogpile, which recently refreshed its homepage and made other, minor changes, published the results of its second "search overlap" study. The first study, released in 2005 and commissioned from the University of Pittsburgh and Pennsylvania State University, found that 84.9 percent of results on search engines were unique to one engine and not found on competitor sites. The study involved Google, Yahoo, Microsoft and Ask and also found that among 12,570 random user-defined queries just over 1 percent of first page search results were the same across the engines [...]
Related Topics: Search Engines: Meta Search Engines | Stats: Relevancy
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