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PWA-check: an automated PWA health check tool

PWA-check is an automated tool that performs health checks on Progressive Web Apps, helping developers verify PWA compliance and identify issues.

Background

- A Progressive Web App (PWA) is a web application that uses modern browser features to behave like a native mobile app (installable, works offline, push notifications). - "PWA-check" is an open-source command-line tool that automatically audits whether a website meets the technical requirements to function as a PWA — things like having a service worker, a web app manifest, HTTPS, and proper icons. - PWAs have become an important strategy for companies (e.g., Twitter/X Lite, Spotify, Pinterest) that want app-like experiences without building separate iOS and Android apps, but maintaining PWA compliance is often overlooked during development. - This tool fills a niche between heavy manual auditing (Lighthouse in Chrome DevTools) and no checking at all, giving developers a quick, scriptable way to catch regressions in CI/CD pipelines.

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