How does interaction design affect user experience throughonline shopping interfaces?

Since the birth of eBay, the world's first online shopping platform in 1995, there have been more and more shopping websites. The interfaces of online shopping websites have also changed dramatically. And user experience of online shopping is influenced by interaction design factors of the web interfaces. Thus, this article discusses how interactive design affects people's shopping experience through online shopping interfaces. Rosenzweig (2015) points out being easy to use and effectiveness are two important principles in user experience design. Therefore, the purpose of this article is to illustrate how different interactive design factors affect users' shopping experience by analyzing the usability and efficiency of the examples of eBay's and Amazon's interfaces. The analysis of the two online shopping interfaces indicates that user experience is influenced by the feedback and Fitts' law factor in terms of usability. Besides, it is affected by the navigation and time factor based on efficiency. According to the research of this article, designers can optimize people's shopping experience by improving the usability and efficiency of websites in interface design.