When it was formally introduced last August, GodTube was the fastest-growing Web site, as rated by comScore, attracting 1.7 million unique visitors for the month. The traffic remains about the same today. “People thirst for more than just a once-a-week relationship with the Lord and Savior,” said Jason Illian, Big Jump Media’s chief strategy officer. “They desire something that they can live out 24/7.”