Determinan Viral Marketing pada Top Brand Online Shop di Indonesia
The existence of the internet starts to shifting the purchase as a conventional to online. One of marketing strategies used by online store is viral marketing.The purpose of this study is to find determinant that forms viral marketing based on perceived customers in top brand online store such as lazada.com, olx.com, tokopedia.com, zalora.com, blibli.com, and bhinneka.com. The Research methodology used is the quantitative method with descriptive analysis using factor analysis by a population as 3.271.147 people and the number of sample uses Slovin formulas with confidency level at 95 % obtained as 400 respondents. Based on the result of research, there are twelve factors formed a new factor called viral marketing online store. Based on its priority, those dimensions of viral marketing online store can be sorted as follows: customer recommendation, newsletter, linking strategies, communities, free offer, sweepstakes, list of prospective buyers, chatrooms, reference list, product texts, affiliate programs, dan search engine.