With Magento Infinite Scroll extension, the product browsing is easier and quicker. Automatically load new products as the user scrolls down the page.
This extension is for when the user reaches the end of the current product list, the next page is loaded automatically by AJAX after the end of the list. So no need to have paging and number page. That is 100% Ajax loading.
Customers will view product fast and they don't wait the time for loading page. They can save clicks, time and buy product from your store immediately.