People want to use websites that load quickly, and every second counts. If a website takes more than 3 seconds to load, you can lose 40% of your audience. Every additional second in page response can result in a 7% reduction in conversions. In these lessons, we’re going to take a slow website and make it load faster using front end performance optimization. By the end, you’ll know many practical techniques that can speed up any website.
Websites can load slowly for a number of reasons, but often, performance problems due to poorly optimized HTML, CSS, and JavaScript. In these lessons we’ll define front end performance optimization and learn how to set a performance budget.

TreeHouse Front End Performance Optimization