Yahoo Inc. follows the progress of Panama, its fresh Internet advertising plans, with multicolored electronic charts, which update by the minute in a Burbank, Calif., office building.

In its primary six weeks, the results lit up both Yahoo's dim operations room and as well as its prospects for gaining ground on Google Inc. The amount of clicks on Yahoo ads increased about 10 percent compared with the old software, according to AQuantive Inc., the biggest U.S. online ad agency.