customize-toolbar-2.php

<?php
/**
 * Customize WordPress Toolbar
 *
 * @param obj $wp_admin_bar An instance of the global object WP_Admin_Bar
 */
function myplugin_customize_toolbar( $wp_admin_bar ){
	$user = wp_get_current_user();

	if ( ! ( $user instanceof WP_User ) ){
		return;
	}

	$my_account = $wp_admin_bar->get_node( 'my-account' );

	if( ! empty( $user->user_url ) && $my_account ){
		$wp_admin_bar->add_node( array(
			'parent'		=> 'user-actions',
			'id'		=> 'user-url',
			'title'		=> '<span class="user-url">' . __( 'My Website' ) . '</span>',
			'href'		=> esc_url( $user->user_url )
		) );
	}
}
add_action( 'admin_bar_menu', 'myplugin_customize_toolbar', 999 );