Go to Google Analytics.

1. You can sign in using an existing Google Account.
   
2. Click Admin in the top right of your Google Analytics view
   
3. "+ Add Account" Add a new account for all web profiles associated with your startup.
   
4. Enter your website URL and agree to the Google Analytics terms.
   
5. For most cases you'll choose "a single domain" for inserting your tracking code.
   
6. Copy and paste the tracking code GA provides you with right before the close tag on your website.