Hello
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