How to add Social Proof to a Google Sites website

On the Common Ninja website, after you've created your Social Proof, copy the widget code.

Go to your Common Ninja dashboard, look for the Social Proof you want to install, click the "Add to Website" button, and copy the widget ID.

Now, let's head to your Google Sites website's editor

In the Google Sites editor, on the right panel, enter the Insert tab.

Here, in the Insert tab, select the Embed element.

In the window that will show, enter the Embed Code tab.

Here, simply past the Social Proof embed code you've copied before.

Click on the Next button at the bottom of the window.

Now, click the Insert button at the bottom of the Embed window.