Web App Performance

Web App Performance

5 hours, 17 minutes CC

Learn to identify and resolve performance issues in your web apps! You’ll get an overview of Web Vitals and how to identify and monitor poor performance. Optimize loading CSS, JavaScript, and images with lazy loading, and dive into the basics of HTTP, browser cache, and service workers. Learn advanced techniques like preloading, fetch priority, HTTP Early Hints, and browser performance APIs like Performance & Navigation Timing API and PerformanceObserver API.

This course and others like it are available as part of our Frontend Masters video subscription.

Published: July 30, 2023
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Table of Contents


Metrics & Tools

Basic Optimizations

Advanced Optimizations

Performance APIs

Wrapping Up