Google has actually talked about testing results with more than 10 search results: "So, Marissa (Myer, Google VP) ran an experiment where Google increased the

Google has actually talked about testing results with more than 10 search results: "So, Marissa (Myer, Google VP) ran an experiment where Google increased the number of search results to thirty. Traffic and revenue from Google searchers in the experimental group dropped by 20%. Ouch. Why? Why, when users had asked for this, did they seem to hate it? After a bit of looking, Marissa explained that they found an uncontrolled variable. The page with 10 results took .4 seconds to generate. The page with 30 results took .9 seconds." http://glinden.blogspot.com/2006/11/marissa-mayer-at-web-20.html http://glinden.blogspot.com/2006/11/marissa-mayer-at-web-20....