If you are a web developer, PWA is definitely the latest and greatest “keyword” added to your business vocabulary. Progressive web application (PWA) is a new technology that has become extremely popular among the IT enthusiasts these days and is in the spotlight. This technology has made the dream of installing web applications on mobile phones a reality. There are many articles on making PWA and its benefits, most of which are a little misleading to convey the concept of this technology, especially for beginners. In this article, we are going to give an overview of PWA which is a good start in the learning process of this technology.

What is PWA?

“PWA is a term used to describe a new method of software development. Advanced web applications are the same as regular web pages, but appear in the form of traditional applications or native mobile applications. This new application model tries the features of most browsers. Combine the modern with the benefits of a mobile experience.”

This quote from Wikipedia may be a bit vague and even contradictory to the definition of this technology. So we look at PWA informally and intimately.

PWA (Progressive Web App) is like an app that is downloaded and installed from the App Store or Play Store. Websites created as PWA sometimes display a “Add to Home Screen” message when users visit. PWA will be added to their mobile home screen if the user confirms this message. The next time the user logs in to the website via PWA created on the home screen, the browser controls and user interface are hidden and the website is displayed to the user as a native application.

Compared to native applications, the web has always been thirsty for reliable performance. The Web has always dreamed of having a place in the notifications panel and home screen, like apps. More than 40% of web users leave pages that load for more than 3 seconds. PWA is a solution to this “web obesity epidemic” that users are facing. PWA is a glorious bookmark that has managed to bridge this gap on the web. The whole point of PWA is to remove the sensitivities and help the user easily access what he/she wants. Although PWA is a new and emerging technology, it has been widely used by large web design companies.

The whole credit for this seamless experience is thanks to a great technology called Service Worker, which is the backbone of any PWA. The service server is a script independent of the web page that the browser runs behind the scenes. Service workers intelligently crawl content, update content behind the scenes, send notifications, and provide attractive offline access to visited sites. This means that when you visit a site for the first time, the site and application will load much faster, even on weak networks.

Why is PWA important?

They are reliable

A PWA is able to provide valuable content to the user completely offline, regardless of network conditions. This level of offline performance depends on the application.

They are responsive

PWAs are compatible with a variety of screens to create a great user experience. An appropriate responsive design can guarantee that your application will run easily on a variety of devices in the future.

They are attractive

Prior to this technology, native applications were much more attractive than web applications. The presence of an icon on the home screen made it easy to access the app, and push notifications notified the user of important information they needed to pay attention to. Now with PWA web applications also enjoy all these benefits.

They are safe

PWAs are secure by default. Active PWA technologies require applications provided over HTTPS.

They have reduced costs

For many companies, the cost of developing, testing, and maintaining software for multiple platforms is unreasonable. Gartner predicts that by next year, more than 20 percent of companies will abandon their mobile applications, believing that PWA will be a viable alternative. Companies such as Alibaba have shown that their conversion rates and average average sales have increased by simply focusing their efforts on one PWA application instead of several native applications.

One application, several platforms

Advanced web application enables you to create a better user experience for your users. With a comprehensive, global application, you will no longer need different development teams for different platforms, and your focus on just one distribution will definitely improve the user experience of that application.


The web is the largest platform in the world. The future of web applications. But we can not say that PWA will destroy the future of native applications. However, interest in the technology has been growing in the community, with large companies such as Google and Microsoft supporting the new technology, and Microsoft plans to introduce the next generation of applications, including Outlook and Teams, as PWA. PWAs are still in their infancy and face many challenges that need to be addressed. However, they do have the power to change the way the web works.

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