This research employs Structural Equation Modeling (SEM) Partial Least Squares (PLS) method to examine the impact of Electronic Word-of-Mouth (E-WoM), Structural Assurances, Reliability, and Online Trust on customer satisfaction in e-commerce. Drawing upon a sample of 444 respondents, the study delves into the intricate dynamics of sustainable development within the e-commerce landscape. Our analysis underscores the paramount importance of E-WoM in driving e-commerce satisfaction, illuminating its role as a key determinant of consumer loyalty. Furthermore, this study sheds light on the broader implications of sustainable practices in fostering positive consumer experiences in e-commerce. By integrating insights from sustainable infrastructure, industrial emissions mitigation, waste management, and inclusive innovation, we offer nuanced perspectives on the intersection of sustainability and customer satisfaction in the digital marketplace. The findings underscore the imperative for businesses to prioritize sustainable initiatives, such as green product development and inclusive transportation, to optimize customer satisfaction and long-term success in e-commerce.