Manifest.json

Manifest.json

{
  "short_name": "EVE Milano",
  "name": "EVE Milano Consulenza SEO",
  "icons": [
    {
      "src": "/wp-content/uploads/apple-icons/apple-touch-icon-48x48.png",
      "type": "image/png",
      "sizes": "48x48"
    },
    {
      "src": "/wp-content/uploads/apple-icons/apple-touch-icon-96x96.png",
      "type": "image/png",
      "sizes": "96x96"
    },
	{
      "src": "/wp-content/uploads/apple-icons/apple-touch-icon-144x144.png",
      "type": "image/png",
      "sizes": "144x144"
    },
    {
      "src": "/wp-content/uploads/apple-icons/apple-touch-icon-192x192.png",
      "type": "image/png",
      "sizes": "192x192"
    },
    {
      "src": "/wp-content/uploads/apple-icons/apple-touch-icon-512x512.png",
      "type": "image/png",
      "sizes": "512x512"
    }
  ],
  "start_url": "/?utm_source=homescreen",
  "display": "fullscreen",
  "lang": "it-IT",
  "background_color": "#fff",
  "theme_color": "#5bb1f9",
  "orientation": "portrait-primary"
}

Guida: https://www.evemilano.com/2017/10/progressive-web-app/