You will learn how to optimize any website for speed by diving into the details of how mobile and desktop browsers render pages.

In this short course, you’ll learn about the Critical Rendering Path or the set of steps browsers must take to convert HTML, CSS, and JavaScript into living, breathing websites. From there, you’ll start exploring and experimenting with tools to measure performance and simple strategies to deliver the first pixels to the screen as early as possible. You’ll learn how to dive into recommendations from PageSpeed Insights and the Timeline view of Google Chrome’s Developer Tools to find the data you need to achieve immediate performance boosts!

This course is also a part of the Front-End Web Developer Nanodegree.