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web-app-manifest

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Use when reviewing templates, rendered HTML, or shared components related to Link a Web App Manifest for installability. Validate the final browser-facing markup, not just the source framework abstraction.

skills/web-app-manifest/SKILL.md

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# Link a Web App Manifest for installability

A Web App Manifest is the minimum requirement for a site to be installable as a Progressive Web App. Installed PWAs launch in their own window, appear in app switchers, and can receive push notifications. Even for non-PWA sites, the manifest improves the experience when users bookmark to their home screen and provides metadata for browser share dialogs.

## Quick Reference

- Link manifest.json with <link rel="manifest" href="/manifest.json">
- Include name, short_name, icons (192px and 512px minimum), and start_url
- Set display: standalone to hide browser chrome when launched from home screen
- Set theme_color to control the browser address bar and OS taskbar color

## Check

Check if this HTML file has a Web App Manifest linked. If so, verify the manifest has all required fields for installability.
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