Analyzing the catalogs of e-commerce websites is becoming more and more complex due to the size and frequency of product changes. Competitoor makes it simple with a function that can cluster and normalize the assortment of e-commerce websites, making them comparable, for example by category and price range. Classification by rank gives simple and direct insight into the strengths and weaknesses of any given assortment. This enables brands and e-commerce sites to obtain the critical information they need to best position their products and optimize their sales performance and customer loyalty strategy.