title: What are the ways to find bottlenecks in a web application?
body: <p>How do I benchmark the performance of my web applications?</p>
  
  <p>Is there a way to find out the bottlenecks in a web application?</p>
  
  <p>EDIT: I am not asking about any front end tweaks like images, css etc. What I want to know is how to profile the back end of the application so that I will know which methods/queries to modify to increase the performance.</p>