title: Which is the best performance testing tool when i dont know the client application behaviour. As i am going to have number of web based clients
body: <p>My organization is looking to perform a performance testing externally. The performance testing is going to be only for web based applications. Can you guide me which tool is best to choose as  performance testing tool. Right now there is no idea about the client web application behaviour. Beacuse there could be number of clients. What is the minimum configuration i should look for a hardware?</p>
  
  <p>Can i get 100 percent accurate results using an open source tool in market?
  I am really struck with these intial doubts. I am new to performance testing. Your answers are highly helpful</p>