Override default favicon in Genesis child theme with custom retina-friendly versions from realfavicongenerator.net.

gistfile1.php

//* Add favicons (created at http://realfavicongenerator.net/)
remove_action( 'wp_head', 'genesis_load_favicon' );
add_action( 'wp_head', 'pasada_load_favicon' );
function pasada_load_favicon() {

    echo '<link rel="apple-touch-icon" sizes="57x57" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-57x57.png">';
    echo '<link rel="apple-touch-icon" sizes="60x60" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-60x60.png">';
    echo '<link rel="apple-touch-icon" sizes="72x72" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-72x72.png">';
    echo '<link rel="apple-touch-icon" sizes="76x76" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-76x76.png">';
    echo '<link rel="apple-touch-icon" sizes="114x114" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-114x114.png">';
    echo '<link rel="apple-touch-icon" sizes="120x120" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-120x120.png">';
    echo '<link rel="apple-touch-icon" sizes="144x144" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-144x144.png">';
    echo '<link rel="apple-touch-icon" sizes="152x152" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-152x152.png">';
    echo '<link rel="apple-touch-icon" sizes="180x180" href="/wp-content/themes/pasada/images/favicon.ico/apple-touch-icon-180x180.png">';
    echo '<link rel="icon" type="image/png" href="/wp-content/themes/pasada/images/favicon.ico/favicon-32x32.png" sizes="32x32">';
    echo '<link rel="icon" type="image/png" href="/wp-content/themes/pasada/images/favicon.ico/favicon-194x194.png" sizes="194x194">';
    echo '<link rel="icon" type="image/png" href="/wp-content/themes/pasada/images/favicon.ico/favicon-96x96.png" sizes="96x96">';
    echo '<link rel="icon" type="image/png" href="/wp-content/themes/pasada/images/favicon.ico/android-chrome-192x192.png" sizes="192x192">';
    echo '<link rel="icon" type="image/png" href="/wp-content/themes/pasada/images/favicon.ico/favicon-16x16.png" sizes="16x16">';
    echo '<link rel="manifest" href="/wp-content/themes/pasada/images/favicon.ico/manifest.json">';
    echo '<link rel="shortcut icon" href="/wp-content/themes/pasada/images/favicon.ico/favicon.ico">';
    echo '<meta name="msapplication-TileColor" content="#da532c">';
    echo '<meta name="msapplication-TileImage" content="/wp-content/themes/pasada/images/favicon.ico/mstile-144x144.png">';
    echo '<meta name="msapplication-config" content="/wp-content/themes/pasada/images/favicon.ico/browserconfig.xml">';
    echo '<meta name="theme-color" content="#ffffff">';

}