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Retail and loyalty · 2026

Loyalty Card PWA

Installable Blazor WebAssembly app for collecting points and managing a loyalty card, with offline support.

  • #Frontend
  • #Mobile

Key points

  • 01Manifest and service worker for installation and offline use
  • 02Generation of the full icon set for every device

Context

A loyalty card only works if it’s always at hand: in store, even with a poor connection, without going through an app store.

Approach

The application is a Progressive Web App built with Blazor WebAssembly: it installs from the browser like a native app and keeps working offline thanks to its manifest and service worker.

Technical choices

  • Manifest and service worker for installation and offline use.
  • Automatic generation of the full icon set for different devices and platforms.

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