The usability issues in some of the e-commerce website design refer to aspects of a website that hinder its intuitiveness and ease of use, Complicated or inconsistent navigation system makes it difficult for users to find the information they need, and accomplishing the online purchasing process easily and securely in E-commerce websites ,  from this point the research problem arose, where there a crucial need to have a specified design strategy to be followed and applying the stye tile to achieve visual consistency to enhance the usability in the E-commerce website designs, The aim of this paper is to Present a new Design Strategy with a specified steps for E-commerce websites and Apply the Visual Consistency using Style tile to enhance the Usability in E-commerce websites. This paper followed the experimental approach by designing E-commerce website for an Egyptian brand for headscarf following the steps in the proposed design strategy and designing a style tile to be applied in the layout of the website to achieve visual consistency, then present this design to test the usability to a focus group of the potential users of the website to obtain the results, the experiment showed a satisfactory impact of applying the steps of the  proposed design strategy and applying the style tile as an effective way to achieve visual consistency which enhance the  usability in E-commerce websites