This Simple and Powerful WordPress Plugin will help to make Scrolling on your site really Smooth. Does not matter which browser users view your site. Chrome, Firefox, Opera, Safari, Edge or even the outdated versions of Internet Explorer – in all browsers, visitors will get an incredibly smooth experience when scrolling through the site. And this is especially if your site has many long pages, such as a Blog, Portfolio, Corporate Website, eCommerce Project, Creative Agency, Real Estate Listing, Personal CV, a Restaurant or Retail Company, etc.
Demo: https://codecanyon.net/item/smoother-smooth-scrolling-for-wordpress/23921342