Link building is one of the way of people to increase or improve their business. In this case, they do some actions that can make or interest the other people or customers to buy their products of the business. That is the aim of the link building that someone or people do in this globalization era. In fact, in the term of link building, the people is just having to make one site. But, they have to make the best and written content. So, later when we put it in the search engine, there are many sites which link to our site, and there are many customers who will buy our products.