Responsiveness of a web application and debugging of the API

Testing the performance of an application is required to deliver a program free of bugs and errors. It is required to do customization on the procedure we must follow to control and evaluate how specific part of the system will perform. Sometimes the usage of a single software is not enough because it is necessary to do a thorough full test of the whole application. When the system under testing is a web based one then the availability of the service and the handling of thousands of requests which might be done in the shortest time possible is a must for such systems. There are many tools that you can be employed to do the testing but between them there are two very efficient and accurate one.