As a web designer, you have tough choices to make when it comes to weighing aesthetics and performance. Content, layout, images, and interactivity are necessary components to engage your audience, but each have an enormous impact on page load time. This practical book helps you approach a new project with page speed in mind, and shows you how to test and benchmark which design choices are most important. You'll also learn how to design semantic HTML and CSS that are easily repurposed and edited later, saving not just page load time but also your own time during development. Written by Etsy's performance engineering manager, this book covers: Why designing for performance is imperativeThe basics of page speed: requests and how browsers render contentOptimizing images, HTML and CSS for performanceImplementing responsive web design with an eye on performanceTools for measuring and iterating on your design choices and their performance If you have Adobe Photoshop experience and basic HTML and CSS skills, this book will help you learn how to design for performance.