This paper presents the results of developing an e-commerce web for pet supply stores in which the super pet store business model is a case study. It's designed to work in two parts: the store owner's section that can manage the main data including product information, product categories, members and admins, orders, press releases and notification systems. The client side can use a convenient member ordering system developed based on CSS rendering control, allowing the display of webpages to be adjusted according to the device enabled. The website was developed using Visual Studio React as its primary tool and Firebase as its database management program. Speed test results order system capabilities Compatibility of devices, colors and font sizes, the overall result showed a high
level of user satisfaction.