ECOMMERCE SEARCH: EVERYTHING YOU NEED TO KNOW - eCommerce site search is very important for your customers. It may be difficult for your customer to find the exact item they are looking for in the vast eCommerce website with hundreds of thousands of products. In this situation, site search comes into play. Ecommerce search bars are used to assist visitors – and prospective customers – who are either sure of what they are looking for or aren't seeing the right results on your page.