Progressive Web Apps are one of the most underrated technological solutions in digital development for SMEs. They are neither a “powered-up” website nor a simplified mobile app: they are a category in themselves, with specific advantages that in certain contexts surpass both the traditional site and the native app.
What a Progressive Web App Is
A PWA is a web application that uses modern technologies (Service Workers, Web App Manifest, HTTPS) to offer an experience similar to that of a native app: installable on the device, usable offline, with push notifications and quick access from the home screen.
The user can add it to their smartphone’s home screen without going through the App Store or Google Play Store. It updates automatically. It works even with no or unstable internet connection.
Technically, it is built with the same standard web technologies (HTML, CSS, JavaScript) but with an additional layer that enables “app-like” behavior.
How It Works Technically
The heart of a PWA is the Service Worker: a JavaScript script running in the background, separate from the main page. It manages the cache, intercepts network requests, and enables offline functionality. In practice, it decides which resources to serve from the local cache and which to fetch from the network.
The Web App Manifest is a JSON file that defines the app’s name, icons, colors, and behavior when installed. This file tells the browser how to present the application on the home screen and in full-screen mode.
To function properly, a PWA requires HTTPS — a requirement that today should be standard for any web project.
Concrete Advantages for Businesses
Lower development costs compared to a native app: a single codebase works on all devices (iOS, Android, desktop). You do not maintain two separate projects.
Immediate distribution: no App Store approval process. Updates are published like a normal web deployment.
Performance: with a proper caching strategy, PWAs load extremely fast — often faster than a traditional website.
Engagement: push notifications increase user return rates. Offline functionality eliminates the frustration of unstable connections.
SEO: unlike native apps, PWAs are indexable by Google.
Limitations to Know
On iOS, support for PWAs is historically limited compared to Android. Apple has progressively improved support, but some features (full push notifications, access to certain hardware sensors) remain restricted. If the target audience predominantly uses iPhones and advanced hardware features are essential, a native app might be more appropriate.
PWAs do not appear in stores (although there is a mechanism to publish them via TWA on Google Play). For some companies, visibility in the App Store is a relevant acquisition channel that cannot be ignored.
When to Choose a PWA
A PWA is the right choice when:
- The budget does not justify developing separate apps for iOS and Android
- Offline access is important but not critical
- The target audience is mixed (Android and iOS) and hardware features are not central
- You want to distribute frequent updates without approval processes
- SEO is a priority (native apps are not indexable)
Ideal use cases: product catalogs with offline functionality, internal company tools, customer portals, field service applications, mobile-optimized e-commerce.
Real Examples of Successful PWAs
Starbucks developed a PWA for its ordering system: it works offline, is 99.84% lighter than the equivalent iOS app, and doubled the number of web orders. Twitter Lite is a PWA that reduced bounce rates by 20% and increased pages viewed per session by 65%.
These are not exceptional cases: they are examples of what happens when technology is chosen based on real user behavior.
Marfcode and Progressive Web Apps
We evaluate the PWA option in every project where mobility and performance matter. It is not the universal solution, but in the right contexts, it offers a value/cost ratio that is difficult to replicate with other architectures.
If you are evaluating a mobile app and have a defined budget, the conversation about PWA vs native is always worth having before deciding.
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Related article: Mobile App Development: React Native vs Flutter | How to optimize web performance for mobile users
