Catalog Ajax Scroll for Magento 2 extension helps to load the next pages of the catalog pages automatically. As soon users scroll to the last row of the current product list, the next page is loaded simultaneously with powerful AJAX. The extension is totally useful for both shop owner and customers shopping on the site.
Particularly, this extension increases usability for your visitors by removing an extra click. The client is able to see more goods in less time without the need of searching for the 'next page' link/ button and looking around the page. It will bring about a wonderful shopping experience for all clients.
For more details: https://www.magesolution.com/catalog-ajax-scroll.html