* Add a note about deprecating react-addons-perf * Update addons-perf.md
@ -6,6 +6,10 @@ layout: docs
category: Add-Ons
---
> Note:
>
> As of React 16, `react-addons-perf` is not supported. Please use [your browser's profiling tools](/react/docs/optimizing-performance.html#profiling-components-with-the-chrome-performance-tab) to get insight into which components re-render.
**Importing**
```javascript