Where Do I Find The Site Statistics?
You can view your site statistics by going logging in to your Plesk control panel at https://YourServerHostname:8443. After clicking on the "Home" link you want to click on the "Report" icon. Then at the top of the page you should click on "Web Stats" this will open a new window with your site statistics.
Your site statistics can also be viewed by going to http://YourDomain/plesk-stat/