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Web App Performance

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.

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Published: July 30, 2023
Maximiliano Firtman

Maximiliano Firtman

Max Firtman works as an independent free-lance consultant. He is a mobile + web developer, trainer, speaker, and writer. He has authored many books, including Programming the Mobile Web and High Performance Mobile Web published by O’Reilly Media. He is a frequent speaker at conferences worldwide and he has been widely recognized for his work in the mobile-web community. He teaches mobile (Android & iOS), HTML5, PWA and web performance trainings. He has been working in the Web since 1996 and in the mobile app space since 2001.