The Lazy Load option on the Custom HTML widget helps improve performance for pages that have one or more HTML widgets. When checked, the widget will be rendered when the widget section is visible to the user.
Instructions
Navigate to an existing Custom HTML widget or add one to your page, and click the Widget Options menu
Check the Lazy Load Widget box
With the Lazy Load toggle checked, click the X to close the Widget Options pop-up
Scroll to the top and select Save
