Select an Insert Point
Choose an Insert Point to add POWr Image Resizer.
Create Code Element
Scroll down to Code Element , and select it.
Copy and Paste Code
Paste the code in the box and click Save.
Refresh the Page
You'll need to refresh the page to make the plugin visible.
Start to edit the Image Resizer Plugin:
Visit the live Squarespace website and click the settings gear in the upper right corner of your Image Resizer Plugin.