StumbleUpon, Inc.

List of most popular Desktop user agents of StumbleUpon, Inc.

Useragent	Info
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; StumbleUpon.com 1.760; .NET CLR 1.1.4322)	Windows XP Operating System: Windows XP
Mozilla/5.0 (Windows NT 6.1; stumbleupon.com) Chrome/58.0.3029.110 Safari/537.36	Windows 7 Operating System: Windows 7