Abstract
E-commerce has been constantly evolving and increasingly popular in Vietnam. With the significant growth of online shopping websites, evaluating and selecting the right website for smart shopping decision is always a considerable concern for consumers. This study proposes a methodology to evaluate the competitive advantages of online shopping websites in Vietnam, including A, B, C and D. In the study, the Fuzzy Analytic Hierarchy Process (AHP) method is used to build the set of criteria weights. Next, the study uses the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) approach to evaluate the ranking of websites, finding the most advantageous website, according to the distance to the ideal solutions. The results from the evaluation of 18 criteria show that B is the most appreciated among the four proposed websites, follows by A, D and C, respectively.
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