Chapter 19. Introduction to App Performance Optimization

Look how far you have come with Code Café! Your app lets users view and select items for sale, review items in the cart, enter information in a form, and send orders to the café. It also allows associates – but not other users – to review the orders that customers have placed.

As you have developed Code Café, your knowledge of and experience with React have grown. You have built components, added multiple pages with routing, passed data using props and context, and implemented several React hooks. Now you will turn your attention to how your app performs.

In the final two chapters of this book, you will investigate several issues that affect app performance using an app we will provide ...

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