Each button in the Admin bar has a self-defining and space-saving icon. But the link to the blog frontend (which is represented as a blog title), has no icon. If you want, you can change it quickly – here is a small solution.
wordpress-adminbar-icon

The following code belongs in the functions.php of the Theme, or better, in a Plugin. It adds the current favicon before the blog title. And to fit the image into the overall picture of the admin bar, we darkened it and and gave it a round shape.

<?php
/**
* Plugin Name: Icon for Admin Bar Site Link
* Plugin URI: http://wpengineer.com/?p=2366
* Description: Add Icon to Site Link in the WordPress Admin Bar
* Version:    1.0.0
* Author: Sergej Müller
* Author URI: http://ebiene.de* License: GPLv3
*/

// This file is not called from WordPress. We don’t like that.
! defined( ‘ABSPATH’ ) and exit;
// If the function exists this file is called as comments template.
// We don’t do anything then.
if ( ! function_exists( ‘sm_add_adminbar_site_icon’ ) ) {

// add to admin area, inside head
add_action( ‘admin_head’, ‘sm_add_adminbar_site_icon’ );
// add to frontend, inside head
add_action( ‘wp_head’, ‘sm_add_adminbar_site_icon’ );

function sm_add_adminbar_site_icon() {

if ( ! is_admin_bar_showing() ) {
return;
}

echo ‘<style>
#wp-admin-bar-site-name > a.ab-item:before {
float: left;
width: 16px;
height: 16px;
margin: 5px 5px 0 -1px;
display: block;
content: “”;
opacity: 0.4;
background: #000 url(“http://www.google.com/s2/u/0/favicons?domain=’ . parse_url( home_url(), PHP_URL_HOST ). ‘”);
border-radius: 16px;
}
#wp-admin-bar-site-name:hover > a.ab-item:before {
opacity: 1;
}
</style>’;
}

}

Guest Post

This post is written by Sergej Müller wpseo.de, who created the popular WordPress Plugin to optimize your SEO.

Thank you very much from our part to Sergej.

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