Methods, systems, and computer-storage media having computer-usable instructions embodied thereon, for prioritizing crawl lists based on social networking rankings are provided. Various scores are associated with users based on a variety of factors including activity levels with respect to social networking services, activity levels with respect to search engines, and interactions with other users in a social networking environment. The scores are used to compute a ranking for the users and, based on the rankings, a crawl list is prioritized such that content associated with the social networking environment is crawled at an appropriate time.