The development of technology now has caused the change of economic culture of Indonesian people. This can be seen from the development of business in the form of online shop or online buying and selling transactions (e-commerce) such as Tokopedia. The purpose of this study was to determine the analysis of the influence of e-service quality and information quality on trust and its impact on consumer purchasing decisions on Tokopedia (a study of Tokopedia customers in Tangerang) by measuring indicators that affect the variable E-Service Quality, Information Quality, Trust and Consumer Purchasing Decisions. This study applies the explanatory research design using survey methods. Sampling using the technique of accidental sampling with the criteria of respondents had been shopping at least one time in Tokopedia. This study was tested using a structural equation modeling to test the influence of the significance of the overall model and predetermined pathway. The findings show that the E-Service Quality variable has a positive and significant effect on Trust, Information Quality has a positive and significant effect on Trust, E-Service Quality has a positive and significant effect on Purchasing Decisions, Information Quality has a positive and significant effect on Purchasing Decisions and trust has a positive and significant effect to the Purchasing Decision.

Keywords : E-Service Quality, Information Quality, Trust, Purchasing Decisions.