Learn to identify and resolve performance issues in your web apps! Learn about performance issues, metrics, HTTP, browser cache, and service workers. Discover basic to advanced optimization techniques and performance APIs

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.

https://frontendmasters.com/courses/web-app-performance/