load testing nothing but we input huge amount of datas to the software and calculating the output and performance is that after insert huge datas how the server is responding?
Testing the stability and response time of an application by applying different loads is nothing but performace testing . (Here load means number of users or amount of data trasferrred ) . For Ex : An Application is designed to accept 2000 users but crashes at 1500 users then we say that stability is poor whereas in an Application if the application accepts 2000 users but the response time is too slow .
load testing:testing the application w.r.t no. of users and checking the response time. performance testing:increasing the no. of users beyond the limit hitting the same request and checking for the response time.