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# PWAs# progressive web apps# web development

An introduction to Progressive Web Applications (PWAs) and how to build one

A new class of online application called a Progressive Web Application (PWA) combines the greatest features of both web and mobile apps. PWAs offer many of the same features and advantages as native mobile apps, including offline functioning and push notifications, despite being developed using web technologies like HTML, CSS, and JavaScript. We'll discuss the fundamentals of PWAs and how to create one in this article.

What are Progressive Web Applications?

what are progressive web apps

Web apps known as PWAs are made to function on all types of hardware, including smartphones, tablets, and desktop PCs. They are accessible using a computer browser and were created using web technology. PWAs can be added to a device's home screen and viewed both online and off-line. PWAs can also be indexed by search engines and receive push notifications, which increases their discoverability and accessibility.

Benefits of Progressive Web Applications

PWAs offer several benefits over traditional web applications and native mobile apps. They are:

  • PWAs are simple to find: PWAs may be shared via URLs and found using search engines.
  • Dependable: PWAs employ service workers to make sure the application is constantly accessible, even in the event of a bad network connection.
  • Quick: PWAs are quicker than standard web apps because they employ the "lazy loading" technique, which only loads the resources that are actually required.
  • Engaging: PWAs give users an engaging experience by working offline, offering push alerts, and installation on the home screen.

Building a Progressive Web Application

Let's quickly look at how you might build one.

Building a PWA involves several steps:

  • To start, you must use web technologies like HTML, CSS, and JavaScript to build a web application.
  • The web application must then be provided via HTTPS in order to guarantee a secure connection.
  • Next, you must register a service worker, a script that runs in the background and enables the web application to function while connected to the internet.
  • The Web App Manifest, a JSON file that includes details about the web application, including its name, theme colour, and icons, must then be used.
  • As a last step, test and validate the PWA using software like Lighthouse or Chrome DevTools.

Final thoughts from Snapi SMS

PWAs are a brand-new class of web application that fuses the greatest features of both web and mobile apps. They are available online and have many of the same features and advantages as native mobile apps.

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