juniorPWA
What is a Web App Manifest?
Updated May 17, 2026
Short answer
A JSON file that defines how a PWA appears when installed.
Deep explanation
The Web App Manifest provides metadata like app name, icons, theme colors, and display mode. It allows the app to be installed on a device’s home screen.
Real-world example
Installed PWAs like Spotify Web App use manifests for branding.
Common mistakes
- Not linking the manifest in HTML.
Follow-up questions
- Where is manifest linked?
- What is display mode?