Performance
From a user's perspective, a web application performs well if it does what it is supposed to do quickly and in a manner that requires a minimum of effort on his part.
Responsiveness has to do with how quickly results appear after a button or hotspot is clicked. Good design contributes to how easy it is to use and maintain the application. Responsiveness and good design both contribute to good performance.
The responsiveness of an application running over the web can be erratic and sometimes downright poor due to conditions on the network or on the host server. Packets of information travel back and forth between the server and the browser, and packets related to your application compete for time with all other applications currently using the common digital pathways. If network traffic is high or network bandwidth is low, users may perceive your application as responding slowly, even though it is working as designed and the host server has ample capacity. If the host server is...
