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Documents & Files. Deep/hidden web. Custom Search Engines. The Directory of Google Custom Search Engines. Glossary of Internet & Web Jargon. The URL of this page is Buttons in most browsers' Tool Button Bar, upper left.

Glossary of Internet & Web Jargon

BACK returns you to the document previously viewed. FORWARD goes to the next document, after you go BACK. Dogpile: Search Results On Major Engines Diverging. InfoSpace-owned metasearch engine Dogpile, which recently refreshed its homepage and made other, minor changes, published the results of its second “search overlap” study.

Dogpile: Search Results On Major Engines Diverging

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. The 2007 study has found further divergence and even less overlap: only 0.6 percent first page search results were the same across the engines.

Here’s a high-level summary of the findings of the April, 2007 study, this time conducted in conjunction with Queensland University of Technology and Pennsylvania State University: The majority of first page results are unique:

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