Step 1
Navigate to your Squarespace site configuration page and go to your home page.
Step 2
Select Settings in the sidebar located on the left
Step 3
Scroll down to Advanced and select Code Injection
Step 4
Go to the Happierleads script page and copy the code snippet
Step 5
Paste the code snippet in the Header input box, and click save. The tracker should now be installed.
https://youtu.be/Uw0a6Ud2IFs