Turn of Hovers on Scroll

Sometimes hover effects can cause redraws and repaints and whatnot that take time and reduce performance. As you scroll down a page, you're likely inadvertently triggering hover events that have no meaning while you scroll. Turning them off (via CSS's pointer-events) is a clever way to reclaim some scrolling performance.

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Turn of Hovers on Scroll is a post from CSS-Tricks