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Set an icon

When your dapp makes a login request to a MetaMask user, MetaMask may render a modal that displays your dapp icon.

MetaMask retrieves this icon using the HTML selector <head> link[rel="shortcut icon"], so you can follow the favicon standard to customize your dapp icon. Make sure to have a link tag within your dapp's head with rel = "shortcut icon", as in the following example. The tag's href attribute is used for assigning the dapp icon.

<head>
  <link rel="shortcut icon" href="https://your-dapp.com/your-icon.png" />
</head>