What are Progressive Web Apps?

Leul Ayalew
3 min readApr 2, 2023
Photo by Shahadat Rahman on Unsplash

Progressive Web Apps (PWAs) have become increasingly popular in recent years, and for good reason. As more and more users access the internet through their mobile devices, businesses and developers are looking for new ways to deliver engaging, app-like experiences without the need for users to download separate apps. PWAs offer a solution to this problem, by providing a web application that behaves like a native mobile app, with the added benefits of being accessible from any device with a web browser, and with reduced development costs.

PWAs are designed to take advantage of modern web technologies such as Service Workers and Web App Manifests, which enable the app to work offline, offer an immersive and engaging user experience, and provide a seamless user interface that feels like a native mobile app. Service Workers, for example, allow PWAs to work even when the user is offline, by caching important app resources such as HTML, CSS, and JavaScript files. This means that even if the user is in an area with poor internet connectivity, they can still access and interact with the app’s content.

Web App Manifests, on the other hand, allow developers to provide a more app-like experience for users, by defining the app’s icon, name, and other properties that are typically associated with a native mobile app. This allows users to add the app to their home screen, launch it in full-screen mode, and receive push notifications, just like a native app.

The benefits of adopting PWAs for your next web project are numerous. Here are some of the key benefits of PWAs:

  1. Reach a wider audience: PWAs are accessible from any device with a web browser, which means they can reach a wider audience than native mobile applications. This is particularly useful for businesses that want to target users across different platforms and devices, without the need to develop separate apps for each platform.
  2. Increased engagement: PWAs offer an immersive and engaging user experience, with app-like features such as push notifications, offline capabilities, and full-screen mode. This can help increase user engagement and retention, leading to higher conversion rates and improved business outcomes.
  3. Improved performance: PWAs are designed to be fast and responsive, with quick loading times and smooth transitions between pages. This can improve the user experience and lead to higher user satisfaction.
  4. Lower development costs: Developing a PWA is often less expensive than developing a native mobile application, as it requires less specialized knowledge and can be built using web technologies that many developers are already familiar with.
  5. Easy maintenance and updates: PWAs are easier to maintain and update than native mobile applications, as changes can be made to the app’s codebase and pushed live without the need for users to download updates from an app store.

However, it’s worth noting that PWAs may not be the best solution for every use case. For example, if your app requires access to native device functionality such as the camera or microphone, a native mobile app may be a better choice. Similarly, if you’re targeting users who are unlikely to have access to a modern web browser or who have limited data connectivity, a native app may be a more appropriate choice.

In conclusion, Progressive Web Apps offer an innovative and cost-effective solution for businesses and developers looking to build modern web applications that offer an app-like experience for users. By leveraging modern web technologies such as Service Workers and Web App Manifests, PWAs can provide users with a seamless and immersive user experience that is indistinguishable from a native mobile app. With their offline capabilities, app-like features, and optimized performance, PWAs offer several benefits over traditional web applications and native mobile applications. By adopting PWAs for your next web project, you can reach a wider audience, increase engagement and retention, improve performance, and lower development costs, all while providing a seamless



Leul Ayalew

I'm a Software Engineer, passionate about building beautiful and performant web and mobile applications.