Squarespace is a great website platform. They make installing third-party scripts like ours unbelievably easy through their Code Injection method.
Squarespace Installation
You can follow the steps below or scroll down the page for a quick video guide showing how you install the script once you have code injection enabled on your site.
In the Settings tab, scroll down and select “Advanced.”
Select “Code Injection”
Paste in your Crazy Egg tracking script under the “HEADER” section. Your Crazy Egg tracking script can be found here.

Click on “Save.”
Congratulations! Crazy Egg is installed.