You need to set Favicon, for that, add this code <link rel="shortcut icon" href="{{ asset('favicon.ico') }}" />

In file root/resources/views/layouts/app.blade.php after <title> line

Place favicon.ico to your root directory

To insert tracking code, go to Dashboard > Left Menu > Appearance > Theme Settings

Add your code to Additional JS Box and click save

Your tracking code will be work

Best Regards