I copied it onto here so that lives forever, this is not my own work.
This works like a dream Super simple step by step process just for Squarespace!
First, from the Home menu your Squarespace site, click Settings → Advanced → Code Injection. Once on the Code Injection menu, paste the following code into the textbox titled Header:
The next thing we want to do is determine the page that we want to post the testimonials on. On the page you choose, cl