The info comes via research firm comScore, who pulls together data on a daily basis for the major search engines in the U.S.
For May 2012, Yahoo's share fell 0.1 percent to 13.4 percent.
Back in August 2011, Yahoo was at 16.2 percent so the decline has been slow but notable.
Yahoo's loss has been Google's gain, as the search giant ate two of those percentage points. Microsoft's Bing took the rest although Microsoft and Yahoo are partners.
Chart:
Written by: Andre Yoskowitz @ 12 Jun 2012 22:48