alvarotrigo
commented
3 years ago How to fix this audit?
There's actually no need for a fix. This is just an advise, not an error "Consider...."
Read more about it here: https://github.com/alvarotrigo/fullPage.js/issues/4036#issuecomment-692349929
Consider marking your touch and wheel event listeners as
passiveto improve your page's scroll performance.use passive listeners to improve scrolling performance
How to fix this audit? To fix this audit, add a passive: true flag to every event listener flagged by GTmetrix. For example,
document.addEventListener('touchstart', onTouchStart, {passive: true});