Uploaded January 2022 | Updated September 2026, 10 hours ago

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In this video our very own Minko Gechev will take us through 4 common runtime performance challenges, their identification with Angular DevTools, and their resolutions.

We'll cover:
- Zone pollution
- Out of bounds change detection
- Recalculation of referentially transparent expressions
- Large component trees

Download Angular DevTools → https://goo.gle/install-angular-devtools
Learn more about Angular DevTools → angular.io/guide/devtools
Code samples → github.com/mgechev/performance-patterns

0:00 Introduction
2:00 Using Angular DevTools
3:15 Performance regression patterns
3:25 Zone pollution
6:01 Out of bounds change detection
8:27 Out of bounds change detection bonus
13:01 Recalculating referentially transparent expressions
16:03 Large component trees
18:01 Conclusion