From Web-Stat:
You have set your account to be invisible. As a result you can not click on the app to access your stats. Instead, you will need to go to http://www.web-stat.com, click on 'My Stats' in the menu bar, then login with:
tracker ID: wix8185110
password: X2FTat2T
Your password can be changed at any time from the 'My Info' section