When your web application sends a push notification, a scaled-down version of this icon frequently appears in the notification drawer. Technical Implementation: How to Code It
The most important use case for icon-192x192.png is fulfilling the installability criteria for Progressive Web Apps. Web App Manifest Requirement icon-192x192.png
Your web app manifest is a simple JSON file that tells the browser how your web app should behave. Within the icons array, you must specify the path, sizes, and MIME type. Use code with caution. 2. In the HTML Head Tag (Fallback) When your web application sends a push notification,
The path to your image. If relative, it is resolved against the manifest URL 0.5.1. sizes : Specifies the pixel dimensions of the icon 0.5.5 . Within the icons array, you must specify the
of an icon (color, clarity, scalability, platform guidelines compliance)? → If so, please upload or describe the icon (colors, shape, style).