Remove Client Scripting
The Remove Client Scripting menu (under the Debug menu) allows you to quickly test your web applications in a scriptless environment, without having to resort to external tools such as the IE Development Toolbar.
Just press CTRL-F12 and the page will re-render without any scripting:
Notice that the address box of the TestSuite will turn yellow whenever scripting is disabled.
In fact, the 'Remove Client Scripting' feature is implemented in Smartsite iXperion itself, so you don't specifically need the TestSuite to use it: the Url command hid=scf;script=0 does the trick, so just open up your external browsers and add the command to the url.