To add Google Analytics to your project you just need to add your Google Analytics tracking ID in the SEO panel of the page (Google Analytics field).
To find your Google Analytics tracking ID:
Sign in to your Analytics account.
Select an account from the menu in the ACCOUNT column.
Select a property from the menu in the PROPERTY column.
Under PROPERTY, click Tracking Info > Tracking Code. Your tracking ID is displayed at the top of the page.