Web app manifest
type: TechArticle
description: A web app manifest is a small JSON file that tells browsers how the site should appear when installed — its name, icons, start URL, theme colour, and display mode.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-07-09T00:00:00.000Z
citation: W3C — Web Application Manifest
  type: CreativeWork
  publisher: W3C
citation: MDN — Web app manifest
  type: CreativeWork
  publisher: MDN
citation: web.dev — Add a web app manifest
  type: CreativeWork
  publisher: web.dev

Web Specification Studio
type: WebSite

Web Specification Studio
type: Organization

breadcrumb
type: BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: https://webspecification.com/
item list element: Spec
  type: ListItem
  position: 2
  item: https://webspecification.com/spec/
item list element: Resilience
  type: ListItem
  position: 3
  item: https://webspecification.com/spec/resilience/
item list element: Web app manifest
  type: ListItem
  position: 4
  item: https://webspecification.com/spec/resilience/pwa-manifest/