A tool for usability testing of Web sites. Create your usability test scenario with an easy-to-use graphic tool (Study Builder). Invite one or more testers to run your scenario with Usablity tool. The results such as HTML-links clicked, time between each mouse click and total time required to complete each task, will be saved in an Excel-like journal file. Analyze the journal file with Excel to find potential 'deadlocks' in usability of your Web site.