Layered Navigation is a new feature come from Magento 2. It allows your customer to find the best-fit products on your store website, it also helps enhance customers' experience to gain more sales. If your store hasn't this option, it is time to integrate this new feature. The layered navigation is usually put on the left panel of the page showing criteria filter. With the default setting, customers can filter by either product attributes or their prices. Furthermore, Magento 2 store also supports you with the Layered Navigation with Filterable Attributes allowing your customer to search by categories or attribute.