Nowadays, internet already becoming an important technology for many people; nonetheless for Indonesian people. The reason why Internet becoming very popular is because, internet provide a various kind of things that fulfill the various needs of different people all over the world, people can read news, access to forum, online chatting, playing games, blogging, social networking, searching educational material, and also as for online business. Online business or is more known as e-commerce is one of many results which are produced from the massive growth of internet usage. E-commerce is a trading transaction (buying or selling) that using
internet technology as the medium. In Indonesia there is a popular e-commerce sites named as Kaskus. Originally, Kaskus is an online community forum for Indonesian people, but in its development the website becoming more popular because one of its sub-forums, which are: FJB
(Forum Jual Beli)Kaskus. In this place people can buy and sell anything they want new or used, and they can placed their products without need to pay some amount of fee. However, recents times suggested that there are many competitors out there that can disrupt Kaskus existence in e-commerce industry, the sites can't feel satisfied enough already for what they have already achieved. Competitors will keep developing and growing to improve their business, just like what Kaskus themselves. At some point or in some year a competitor invented some technology innovation that can help the e-commerce process be better. The aim of this research is to investigate what factors that affect the technology acceptance on ecommerce in Indonesia, so it can be indentified what improvement should be applied in Kaskus to make them still main player in e-commerce industry. The data for this research were collected from 223 respondents of Kaskus users. The research model is based on Technology Acceptance Model (TAM). Results showed that Trust positively affects Intended Use but, Perceived Ease of Use has insignificant affect towards Intended Use, and also Risk is not negatively affects Intended Use. The new construct of Seller Status & Reputation indeed has positive affect towards Trust.
In concluding this research, it can be said that if the e-commerce site is easier& useful to use, the greater chance it also useful to shop for the users and will be used more by them. So, it is safe to say that e-commerce site should make sure that people is feel easy and useful when searching the goods and services which they desire. For Kaskus itself, the power of community from which already existed must be maintained, as it proved to be the reason of why they become a successful e-commerce site. Finally, e-commerce site have to think thoroughly in giving reputation system in their sites. Because, like it or not people will always tend to see sellers' status & reputation as it make the indicators whether they can trust them or not, or in bigger scale: trusting the e-commerce site or not. As this research limited to 1 site in 1 country, the future research should use this research design to be tested in different e-commerce sites in many other countries.