JavaScript error detection app for detecting JS errors on customer visits.
http://trackjs.com
JavaScript Libraries and Functions · Error Tracking
Get access to data on 343,004 websites that are TrackJS Customers. We know of 12,126 live websites using TrackJS and an additional 330,878 sites that used TrackJS historically and 5,102 websites in the United States.
Get a list of 343,004 websites using TrackJS which includes location information, hosting data, contact details, 12,126 currently live websites and an additional 45,697 domains that redirect to sites in this list. 330,878 sites that used this technology previously and 5,102 websites in the United States currently using TrackJS.