Google accounted for 65.98% of all US searches in the four weeks ending January 26, 2008. Yahoo! Search, MSN Search and Ask.com each received 20.94%, 6.90% and 4.21%. The remaining 48 search engines in Hitwise data accounted for 1.97% of US searches.
| Domain | January 2008 | December 2007 | January 2007 |
| www.google.com | 65.98% | 65.98% | 63.06% |
| search.yahoo.com | 20.94% | 20.88% | 21.40% |
| search.msn.com | 6.90% | 7.04% | 10.35% |
| www.ask.com | 4.21% | 4.14% | 3.54% |
| Source: Hitwise | |||