21% of time on Google and 2% of time on Yahoo! was spent on search in June 2005 by ZDNet‘s ZDNet Research — Google search accounted for 21% of the time that US visitors spent on google.com in June 2005, said Majestic Research. 45% of the time was spent on Gmail. On Yahoo! 2% of the user time was spent on search. 42% of time spent on Yahoo was devoted to Yahoo Mail, and 22% to Yahoo Messenger.