Globalization and free trade agreement has made an ease of transaction on buying and selling
things between trader and consumer. Offset of modern technology and information development
causes the new transaction system calls e-commerce (electronic commerce). E-commerce is the
newest practical business model through internet media and without physically representing the
business agent (non-face). This model has a significant impact for consumers. On one side,
consumer has many options for buying things on faster ways. But on the other side, this model of
transaction causes a new problem that is make consumer being in a weak bargaining position
because of ads that harm consumers. It means the trader violates consumer rights.The type of this
study is a normative legal study and conducted to identify the consumer’s right to receive
compensation from trader because of trader’s default on online contracts that happened between
trader and consumer in Indonesia. This normative law research is conducted by describing the
positive law, law opinion and law facts in literature, research result, interview and internet. The
research result shows that there are four condition of trader’s default. That is violate Indonesian
Law so the trader should take responsibilities of their default. This research is also shows the
implementation of compensation for consumer because of trader’s default such as replacement of
goods, replacement of money, and vouchers.