Search Engine Land has mentioned the study of search engine queries from Dogpile. From the April 2007 study by Queensland University of Technology and Pennsylvania State University has stated that,

• The percent of total results unique to one search engine was established to be 88.3 percent.
• The percent of total results shared by any two search engines was established to be 8.9 percent.
• The percent of total results shared by three search engines was established to be 2.2 percent.
• The percent of total results shared by the top four search engines was established to be 0.6 percent.

The majority of first page results are unique:

• On average, 69.6 percent of Google first page search results were unique to Google.
• On average, 79.4 percent of Yahoo! first page search results were unique to Yahoo!

Sponsored links on Google and Yahoo:

• Only 4.6 percent of Yahoo! and Google sponsored links overlap for a given query.
• For 22.8 percent of all queries Google did not return a sponsored link where Yahoo! returned one or more.
• For 9.9 percent of all queries Yahoo! did not return a sponsored link where Google returned one or more.

Find the complete study on infospace.

Mark

SEO Tags : Dogpile, Search Engines, Google, Yahoo

This entry was posted on Monday, June 4th, 2007 at 10:00 am and is filed under Search Engine Optimization, Search Engine Marketing, Google, Yahoo, Search Engine, Microsoft. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.