Keyword research is an essential step in the digital marketing success of any e-commerce business. Consider the following steps when conducting keyword research for e-commerce: Describe your product categories as follows: Create a list of all of your product categories and subcategories. If you sell clothing, you could have men's, women's, and children's sections. Each category may have subcategories, such as shirts, trousers, and dresses. Consider the following long-tail keywords: