jQuery version 1.7.1
http://blog.jquery.com/2011/11/21/jquery-1-7-1-released/
JavaScript Libraries and Functions
Get access to data on 5,490,916 websites that are jQuery 1.7.1 Customers. We know of 1,562,855 live websites using jQuery 1.7.1 and an additional 3,928,061 sites that used jQuery 1.7.1 historically and 721,454 websites in the United States.
Get a list of 5,490,916 websites using jQuery 1.7.1 which includes location information, hosting data, contact details, 1,562,855 currently live websites and an additional 639,316 domains that redirect to sites in this list. 3,928,061 sites that used this technology previously and 721,454 websites in the United States currently using jQuery 1.7.1.