To find the tracking code, tracking ID, or property number in your Analytics account:
- Sign in to your Analytics account.
You shall see the page as in picture shown below.
- Select the Admin tab.
- Select an account from the dropdown in the ACCOUNT column.
- Select a property from the dropdown in the PROPERTY column.
- Under PROPERTY, click Tracking Info > Tracking Code.
Copy the whole script as shown in picture above and use it in site.