I have a web application which i am hosting. It is working fine on my machine and most machines i try on.
My client is saying the functionality of the web application is working fine. However, it takes ages for the site to load on his machine and if he presses a button the site takes ages to process things. He has also said he has tried the site on another machine and gotten the same issue.
How can i test what is the issue on the clients machine?