Performance Screencasts

#Performance Screencasts

4 Results

Throttling Ajax Requests

5 minutes

We can control the frequency with which certain functions can be invoked using a higher-order function to throttle functions just like a car’s throttle controls how much gas is delivered to the engine. This screencast describes a challenge we faced in deciding when to make an Ajax request and how throttling solved the problem.

Lazy Loading Code in React

6 minutes

In this screencast, we're going to look at how to speed up your React app by lazily loading code. By the end of this video, you’ll be able to configure Webpack to let you defer loading code until it’s needed so that your initial page load is as fast as possible.

Optimizing Caching in React

7 minutes

In this screencast, we’ll look at how to speed up you React app by allowing browsers to cache your code as long as possible. By the end of the video you’ll be able to configure Webpack to minimize how often a user needs to re-download your JavaScript Bundles.

Minimizing Bundle Size in React

5 minutes

In this screencast, we’ll be looking at how to speed up your React app by shrinking JavaScript bundle sizes. By the end of this screencast you’ll be able to configure Webpack to minimize how much data your users need to download.