The Net Promoter Score (NPS) is a metric used to gauge customer satisfaction and loyalty by asking them about their likelihood to recommend a business to others. The NPS is determined by a single question that asks customers to rate, on a scale of 0 to 10, how probable it is that they would suggest the business to a friend or colleague. Customers who respond with a rating of 9 or 10 are categorized as promoters, while those who provide a rating of 0 to 6 are considered detractors. Customers who rate a 7 or 8 are classified as passive. The Net Promoter Score is computed by subtracting the percentage of detractors from the percentage of promoters. This yields a numerical value that can range from -100 to 100. So, the e-commerce industry commonly employs the NPS as a metric for evaluating customer loyalty and satisfaction. Also the NPS is convenient to implement and can offer useful information about customer attitudes and actions. The elevated NPS ratings suggest a robust customer foundation that is inclined to endorse the business, whereas diminished NPS ratings could imply potential complications regarding customer contentment and loyalty. For e-commerce enterprises, keeping track of and analyzing the Net Promoter Score is crucial for enhancing customer retention and revenue expansion. Through identifying detractors and resolving their issues, businesses can enhance customer satisfaction and loyalty, elevate customer lifetime value, and boost revenue growth.