Progressive web apps – The future of web app development
Lately there has been quite a buzz doing around Progressive Web Apps (PWAs) as the future of mobile web app development. Progressive Web Apps extends the mobile first approach and have made a huge impact on user experience and engagement. PWA sare web applications with enhanced technological advancements to provide features like a native app.These apps were initially introduced by Google and were built by making improvements in JavaScript and web browsers that support HTML5. The main aim of Google was to deliver a faster and seamless mobile user experience irrespective of the device or browser used.
Technical components of PWAs
The web app manifest
This is a JavaScript file that that gives the progressive its native app interface appearance. With the manifest, a developer can control the way the app is displayed to the user. The manifest contains starting URL, the app’s full and short name, links to icons and iconssizes, type, and location.
Service worker
The service worker is one of the most important technical components of PWA. It supports features like offline work mode, push notifications and background syncs. The service workers are JavaScript files that can control a website by handling navigation, resource requests, and decides what is cached and when.
App Shell
The application shell architecture is a method for developing PWA. The app shell drives the UI and consists of core design elements required to make the application run without the connection.
Transport Layer security
PWAs seriously follow transport layer security protocols and it secures data exchange between two applications. The data is secured by serving the website via HTTPS and installing an SSL certificate on a server.
Unique features of PWA
- Synchronization feature updates data at the backend even when the user is not accessing the website/web page
- Stores data for offline use and gives some amount of functionality to users when offline
- Sends push notification to users updating them about fresh content, new events or offers etc
- Identifies data that might be used in future and pre-fetches these data to accelerate user access (for example – images, videos, content etc)
Key benefits of PWAs
- Website with app-like features and interface
- Compatible across all browsers and with any device irrespective of screen size and other specifications
- Super-fast loading speed
- No involvement of App stores as these apps are shared through a URL which can be found easily
- No involvement of App stores as these apps are shared through a URL which can be found easily
- Can be used both offline and on low-quality networks
- HTTPS enabled which makes it highly secure and unauthorized users cannot access it
- Instant and automated update without an app store approval
- Uses responsive web design so that it works on all combination of devices and browsers
PWAs are revolutionizing the way businesses are engaging with users. These apps provide better engagement and conversion rates. PWA provides users with a fast-loading, cost-effective and secure app. The demand for PWA development is going to increase in the near future. The rise in enterprise mobility and digital transformation is paving the way for development of these new genre apps that are consumer-centric.
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