Jeff Ventura, a spokesman for the House’s chief administrative officer, which maintains the Web site, said traffic data was not available and could not be released without the lawmakers’ consent.

“It is clearly health care reform,” Ventura said. “There’s no doubt about it.”…

Sean Brown said the office has received 2,761 e-mails on the subject since the debate heated up five weeks ago. In the five weeks before that, the office received 368 health care-related e-mails. He estimated that 90 to 95 percent of the e-mails were opposed to Obama’s plan.