How to View My Website before changing the NameServers in Plesk 11.5x?
To check server side site preview of your particular domain in Plesk, Please follow these simple steps:
1) Login to Plesk control panel.
2) Click on "WebSites and Domains".
3) Click on "Preview Icon" in the front of the domain.
4) You will be able to preview your website before changing the NameServers on your domain.