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Progressive Web Apps with React

You're reading from   Progressive Web Apps with React Create lightning fast web apps with native power using React and Firebase

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788297554
Length 302 pages
Edition 1st Edition
Languages
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Author (1):
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Scott Domes Scott Domes
Author Profile Icon Scott Domes
Scott Domes
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Table of Contents (15) Chapters Close

Preface 1. Creating Our App Structure FREE CHAPTER 2. Getting Started with Webpack 3. Our App's Login Page 4. Easy Backend Setup With Firebase 5. Routing with React 6. Completing Our App 7. Adding a Service Worker 8. Using a Service Worker to Send Push Notifications 9. Making Our App Installable with a Manifest 10. The App Shell 11. Chunking JavaScript to Optimize Performance with Webpack 12. Ready to Cache 13. Auditing Our App 14. Conclusion and Next Steps

PageSpeed Insights

The Performance Tools are great in that they let us dive deep into the nitty gritty of our application's loading. We will use them to keep track of our app's performance as we try to improve it, but, if we want more specific, detailed suggestions, we can turn to PageSpeed Insights, a tool provided by Google.

Go to PageSpeed Insights (https://developers.google.com/speed/pagespeed/insights/) and plug in the URL of your deployed application. After a few seconds, you'll get recommendations about what can we improve about Chatastrophe:

As you can see, our mobile performance is in dire need of aid. Most of the insights focus on our render-blocking JavaScript and CSS. I encourage you to read through their descriptions of these problems and try fixing them on your own. In the next section, we'll work on improving our app to Google's specifications...

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