Performance is critical to the success of any website. In this book, web performance experts including Steve Souders, Tom Hughes-Croucher, Nicholas Zakas, and Stoyan Stefanov offer a collection of practical tips, techniques, and advice to help you optimize your site's user experience. These articles originally appeared on an online performance calendar that received much attention and use among members of the web development community. Now, this curated wisdom is available in this handy guide to help you squeeze every ounce of performance from your site - whether you're a web developer, mobile developer, or web designer. Gain proven techniques for cutting response times Learn from leading experts including Nicholas Zakas, Stoyan Stefanov, Nicole Sullivan, Estelle Weyl and many more Obtain a forward by Steve Souders, performance expert and bestselling author of High Performance Web Sites