On the 2nd December in the US, Yahoo search was used 3 times more on Firefox 34 than on Firefox 33, according to StatCounter, the independent website analytics company. As previously announced by Yahoo, this month marks the start of its partnership with Mozilla. Yahoo is now the default search experience for Firefox 34 in the US, replacing Mozilla's 10 year relationship with Google.StatCounter: Yahoo Search Usage Up To 29 pct on Firefox 34 in the US [gs.statcounter.com]

A special report from StatCounter Global Stats finds that Yahoo usage on Firefox 34 in the US on the 2nd December was 29.4% compared to 9.6% for the previous version Firefox 33. Google search usage by Firefox users dropped from 82.1% to 63.5% as they upgraded from version 33 to 34. Bing declined slightly from 6.5% on Firefox 33 to 5.8% on Firefox 34.