The aim of this research is to investigate the repurchase intention of online customers at e-commerce merchants. The study investigates three factors; perceived risk, perceived usefulness, and online trust through collecting samples from 128 college students in the Online Learning program in Jakarta. The analysis technique used is SEM-PLS, with the guidance of the SmartPLS 3.0 program. The results of the study confirm that perceived risk had a negative effect on online trust and repurchase intention. Perceived usefulness has a positive impact on online trust and repurchase intention. Lastly, online trust influences repurchase intention in e-commerce merchants.

The continues growth of online network is visible and obvious which extend the impact of electronic word of mouth (E-WOM) on different online platforms that has dramatically increased. Subsequently consumer buying decision will be affected as well. Online trust is a significant factor here due to its role in influencing airline e-ticket purchasing intention. The purpose of this research is to investigate the role of online trust on mediating the relationship between e-WOM and airline e-ticket purchasing intention. The online research questionnaire survey technique was used in this research to examine the dimensions on E-WOM, online trust, and purchasing intention on airline e-ticket purchasing intention towards 311 respondents. Purposive sampling techniques was used in this research and structural equation modeling was used to test the research hypotheses. The study results confirm that E-WOM has an impact on online trust and airline e-ticket purchasing intention. The findings of this research provide valuable information to future researchers and airline companies’ marketers and managers who employ on booking system, also it is useful for individuals to pay more attention on the credibility of E-WOM and whether or not they should trust the source.

Web 2.0, focusing on user involvement and cooperation, is vital for online marketing. To succeed in such a cutthroat industry, every online business must place a premium on earning and retaining clients' trust and loyalty in the digital realm. The study's objective is to ascertain whether or not electronic consumer loyalty and online trust are enhanced by social media marketing. The results of the poll, which included 596 individuals, showed that social media marketing tools had a significant effect on consumers' faith in and commitment to businesses through digital channels. The results of this study will hopefully add to what has been applied to social media marketing for online businesses.

In the digitalization era, e-commerce plays a crucial role in the economy, followed by the internet and smartphone technology. Also, it has a positive effect on humankind. Indonesia has reported the highest e-commerce adoption in the world. However, limited previous studies utilize customer relationship management (CRM) as a mediator in influencing online purchase intention. The present study seeks to analyze the mediating role of CRM in the relationship of digital marketing and online trust on the online purchase intention of e-commerce customers in Banda Aceh city, Aceh province, Indonesia. This study involved all the customers of e-commerce companies in Banda Aceh City. The sample was determined by using a rule of thumb. A total of 150 respondents participated and were collected using purposive sampling. The results indicated that Digital Marketing and Online Trust have a significant positive relationship with CRM. Also, Digital Marketing and CRM have a significant relationship with online purchase intention. Unfortunately, Online trust does not significantly affect online consumer purchase intention. In addition, the CRM mediates the relationship of digital marketing and online trust towards the online purchase intention of e-commerce consumers in Banda Aceh, Aceh Province, Indonesia. This study concludes that CRM plays a role as a mediator in the relationship of the studied variables on the online purchase intention of e-commerce consumers. Also, this study has successfully analyzed the factors that influence online purchase intention and proved the role of CRM.