The fastest infinite scroll plugin available with no configuration required and a magic browser memory to provide instant loading of your archive pages.
Demo: https://www.wpintense.com/product/auto-infinite-scroll/
Smooth Scroll plugin will make your WordPress site cool by making the scroll movement of the mouse wheel smooth.
Demo: https://codecanyon.net/item/smooth-scroll-scroll-site-without-jerky-and-clunky-effects-wordpress-version/19782948
Scroll Magic – WordPress Animation Builder plugin was born to help you take your Website to the next level.
Demo: https://codecanyon.net/item/scroll-magic-wordpress-scrolling-animation-builder-plugin/19418234
WooCommerce Infinite Scroll and Ajax Pagination is a WordPress (WooCommerce) plugin to convert default product pagination into Infinite Scroll or Ajax pagination with WooCommerce Lazy Load.