{
  "manifests": {
    "webapp": {
      "start_url": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/Progressive_web_apps/Manifest/Reference/start_url",
          "spec_url": "https://w3c.github.io/manifest/#start_url-member",
          "tags": [
            "web-features:manifest"
          ],
          "support": {
            "chrome": {
              "version_added": "39",
              "notes": "`start_url` is required for a web app to be installable."
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": "79"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "17"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}