Angular Performance Playbook - 2025

Poor performance doesn’t just annoy users—it can hurt engagement, retention, and even revenue. A slow app leads to higher bounce rates, lower conversions, and frustrated customers. As your app grows, these issues compound, making them harder to fix later. Ignoring performance can mean losing users before they even see what your app has to offer.

By following the techniques outlined in this book, you’ll learn how to write cleaner, more efficient code, reduce re-renders, improve load times, and boost the overall speed of your Angular applications. Whether you're optimizing change detection, state management, or image loading, this guide provides actionable solutions.

You’ll learn how to:
✅ Eliminate unnecessary code to reduce load times

✅ Optimize data transformations for better efficiency.

✅ Improve state management with NgRx and event replay

✅ Speed up image loading

✅ Optimize template bindings efficiently

✅ Load assets efficiently

✅ Enhance scrolling performance with virtual and infinite scrolling

✅ Optimize rendering with change detection strategies