Production tips

Author: gaearon

content/docs/add-react-to-a-website.md

@@ -111,7 +111,7 @@ Commonly, you might want to display React components in multiple places on the H
 
 Before deploying your website to production, be mindful that unminifed JavaScript can significantly slow down the page for your users.
 
-If you already minify the application scripts, your site will be production-ready if you ensure that the deployed HTML loads the versions of React ending in `production.min.js`:
+If you already minify the application scripts, **your site will be production-ready if you ensure that the deployed HTML loads the versions of React ending in `production.min.js`:**
 
 ```js
 <script src="https://unpkg.com/react@16/umd/react.production.min.js" crossorigin></script>

content/docs/create-a-new-react-app.md

@@ -89,3 +89,5 @@ A JavaScript build toolchain typically consists of:
 * A **compiler** such as [Babel](http://babeljs.io/). It lets you write modern JavaScript code that still works in older browsers.
 
 If you prefer to set up your own JavaScript toolchain from scratch, [check out this guide](https://blog.usejournal.com/creating-a-react-app-from-scratch-f3c693b84658) that re-creates some of the Create React App functionality.
+
+Don't forget to ensure your custom toolchain [is correctly set up for production](/docs/optimizing-performance.html#use-the-production-build).