PWA

Progressive Web Apps (PWAs) are web applications built with modern web technologies that provide app-like experiences without requiring installation from app stores. PWAs can be added to device home screens, work offline or on poor network connections, send push notifications, and access device features like cameras and geolocation. They combine the reach and accessibility of websites with the engaging experience of native mobile apps, all while using a single codebase that works across iOS, Android, and desktop browsers.

PWAs use service workers—JavaScript code that runs in the background—to cache content and enable offline functionality. When users visit a PWA, the service worker downloads and stores essential resources, allowing the app to load instantly on subsequent visits even without internet connection. This makes PWAs particularly effective for users with unreliable connectivity. PWAs are responsive by design, adapting seamlessly to different screen sizes from smartphones to tablets to desktop computers.

For businesses, PWAs offer significant advantages including lower development costs since one codebase serves all platforms, no app store approval processes or delays, instant updates that don’t require user action, and better discoverability through web search engines. PWAs eliminate the friction of app store downloads—users can start using the app immediately from a web link and add it to their home screen if they want the app experience. However, PWAs have limitations compared to native apps, particularly on iOS where features like push notifications have restricted support, making them best suited for certain use cases rather than all mobile app scenarios.