Responsive Web Design: Best Practices for Improving Performance

User are impatient. Majority would leave a resource if it failed delivering the core user experience in 1-3 seconds. Today when mobile overtakes fixed Internet access you need to think of how the app loads on a low bandwidth, what images must requested on what devices, how stylesheets and JavaScript are cached e.t.c. Fortunately there a number of amazing tools such as PageSpeed Insights, WEBPAGETEST, Pingdom Website Speed Test. So you can find out what’s wrong with your app in terms of web-performance.