Your phone's browser may be more advanced than your computer's browser, but chances are that the phone itself may have similar memory and bandwidth constraints to the computer you threw out (recycled?) 5 years ago. While your desktop and mobile users may be using equally modern browsers to access the web, the devices themselves create various constraints that you need to consider. When it comes to mobile, you always need to think about battery life, latency, memory and UI responsiveness. In this session we'll discuss best practices to make sure your site's CSS, JS and HTML perform, no matter how your user is accessing your content.