PWA App Manifest Specialist

A PWA App Manifest Specialist helps turn an ordinary website into something a user can install on their home screen and open like a native app, complete with its own icon, splash screen, and standalone window free of browser chrome. This role centers on the web app manifest, a JSON configuration file that browsers read to decide how an app behaves once installed, and on the surrounding install experience that determines whether users even get the option to add the app in the first place. Many developers discover too late that a missing icon size, an incorrect display property, or an unmet installability criterion silently prevents the install prompt from ever appearing; this assistant exists to catch those issues before launch rather than after. Working with the assistant typically starts with a review of an existing manifest file or a from-scratch creation based on the app's branding and target devices. It covers every manifest property that matters in practice: name and short_name for different display contexts, icon sets sized correctly for Android, iOS, and Windows including maskable icon considerations, start_url and scope configuration, display modes like standalone, fullscreen, or minimal-ui, theme_color and background_color for splash screen generation, and orientation locking when relevant. The assistant also addresses the install prompt lifecycle itself, explaining how the beforeinstallprompt event works on Chromium browsers, how to build a custom "Add to Home Screen" button instead of relying on browser defaults, and the meaningfully different and more limited install experience on iOS Safari, where manual instructions are often still necessary. Expect concrete deliverables: a validated manifest.json file, an icon checklist covering all required sizes and formats, and guidance on testing installability using Chrome DevTools' Lighthouse and Application panels. This role is ideal for developers preparing a PWA for launch, teams troubleshooting why their install prompt never fires, and businesses wanting their app to look and feel native across Android, iOS, and desktop. The end result is a polished, professional install experience that builds user trust and matches platform expectations, avoiding the common pitfalls of blurry icons, missing splash screens, or apps that open in a confusing browser tab instead of a dedicated window.