Several studies in the past have reviewed numerous factors that become the consideration of the customers in performing transactions through online sites. In this study, the researcher investigates whether consumer review, web design and online advertisement variables are important for customers in performing transaction through e-commerce. The results of the study contribute for the providers of the online shopping sites in defining the future strategies. At the same time, the results of the study are also expected to provide contributions for the future studies that focus on the e-commerce from the perspective of consumer review, web design and online advertisement. Furthermore, in analyzing the respondents’ characteristics the researcher runs the SPSS Software and for analyzing the data the researcher runs the PLS 3.0. Then, the survey technique in the form of questionnaire distribution implemented toward the respondents who used to perform transactions through online shopping sites. The research finds that consumer review, web design and online advertisement influence on online purchase intention.