What is progressive web app and How to develop a progressive web app(PWA)

In recent times if your site is taking a long time then you are losing your users. As per google analytics, A site visitor waits for only 2–3 seconds for the site loading.

Progressive Web App(PWA) can create a big impact on your site visitors, today web trends are changing and Google is fully supporting with new technological changes.

Progressive web app(PWA) stands for:

  • The progressive web app is the same as a web application but with some new features like web-push notification, offline load, etc., You need to add some JavaScript code on your web page & your site will become the PWA.
  • The progressive web app provides a native app feeling i.e. you can use PWA in your mobile App.

Standards to follow:

Google’s Chrome provides the lighthouse audit tool that helps to audit the PWA

  • Serves On HTTPS: For this, your domain must have the SSL certificate and make sure you redirect all Http request to https

  • Offline Support: Responds 200 when offline

  • Page load should not take more than 10 sec

  • Add <meta name=”viewport”> tag with width or initial-scale Add this tag to your Header <meta name="viewport" content="width=device-width,initial-scale=1">

  • Registers a Service Workers: Add this in the footer of your Html page & create a service-worker.js file

    if ('serviceWorker' in navigator) {
  • Add the below html tag in the footer

  • Custom Splash screen: Google Chrome gets the Splash Screen from the manifest.json file

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