Activity on sports sites jumped from 6.9 million users in August to 10 million in September, a gain of 44.5 percent. Sites with the most growth included NFL.com (72.5 percent), Sportsline.com (56.3 percent), FoxSports.com (51.2 percent), SportingNews.com (18.6 percent) and MajorLeagueBaseball.com (13.0 percent).
Traffic on financial sites was up as well, with an overall gain of 41 percent and 11.2 million users. Sites showing the largest increases in unique audience were: FirstUnion.com (32.6 percent), Fidelity (31.7 percent), WellsFargo.com (30.3 percent) and FirstUSA.com (26.2 percent).
Encyclopedia.com takes the award for the Web site showing the most growth for the month of September. NetRatings estimates the site's unique visitors grew by 128 percent.