How to test a Method or a Class, not the whole application in Ants Profiler .....

I am Dharmendra, Using Ants Profiler (Unit testing tool, test code line by line)...
Can anyone tell me how to test load on a webpage, not on the whole application.....

And if anyone having any document related to ants Profiler then please send to my mail id [email protected]
Thanx....