www.wysiwygwebbuilder.com

Wondering if there is an option setting somewhere in WWB that I can use…
(from LightHouse Best Practices report)
Does not use passive listeners to improve scrolling performance.
Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance.

I'm sorry I do not know what this means. Can you please be more specific?
What are you trying to do?

No worries
I just changed the LightBox Gallery from FancyBox to MagnificPopUp
Also changed iQuery to 3.4.1
Now scoring 100 on LightHouse Best Practices