This study was carried out to examine the perceived service quality of an e-commerce company app users and the measures that may be taken to improve customer satisfaction. The analysis techniques used were opinion mining to analyse reviews on the Google Play Store. e-SERVQUAL and Customer Satisfaction Index (CSI) to assess customer satisfaction. and Importance Performance Analysis (IP... https://www.fitnessgravesyardes.shop/product-category/adaptor-handlebar/