Don't have a Google Analytics account yet? Go to http://www.google.com/analytics and click the Create an account button on the home page.
If you already have a Google account you can enter your details here, if not click the red Sign Up button in the corner.
After signing up Google Analytics will guide you through the setup process, enter your brushd website address or custom domain in.
After that you should arrive on the Google Analytics dashboard, if they haven't supplied you with your tracking number (starting with UA-) you can click the home button and see your UA- number on the home page like so:
On Brushd log into your manager and click Settings and then Google Analytics from the menu.
Enter the UA- Tracking ID you got from google and enter it into this page, your website will now automatically add Google Analytics into your portfolio.