{
  "short_name": "Speed Test",
  "name": "Speed Test",
  "icons": [
    {
      "src": "icon-128x128.png",
      "type": "image/png",
      "sizes": "128x128"
    },
    {
      "src": "icon-144x144.png",
      "type": "image/png",
      "sizes": "144x144"
    },
    {
      "src": "icon-152x152.png",
      "type": "image/png",
      "sizes": "152x152"
    },
    {
      "src": "icon-192x192.png",
      "type": "image/png",
      "sizes": "192x192"
    },
    {
      "src": "icon-256x256.png",
      "type": "image/png",
      "sizes": "256x256"
    },
    {
      "src": "icon-512x512.png",
      "type": "image/png",
      "sizes": "512x512"
    }
  ],
  "start_url": "/",
  "background_color": "white",
  "display": "standalone",
  "theme_color": "#007bff"
}