JavaScript has come a long way from its humble origins as the last of the three web cornerstones (alongside CSS and HTML). We use more JavaScript than ever, spending 14 times as many bytes on it as we do for HTML and 6 times as many bytes as we do for CSS.
Nothing is free, though, and that's particularly true of JavaScript. In this session, we'll look at the current state of JavaScript—how much we use, how we use it, and what the impact is.
Tim Kadlec
Tim Kadlec is a Performance Engineering Fellow at Catchpoint, web performance consultant, and trainer focused on building a web everyone can use. He is the author of High Performance Images (O'Reilly, 2016) and Implementing Responsive Design: Building sites for an anywhere, everywhere web (New Riders, 2012). He writes about all things web at timkadlec.com.