Link building is a part of search engine optimization method. In this way behind the keyword you put links of your website and the reader can easily reach at your web page. Link building provides help to common internet user to find his required information. In fact search engine optimization is a complete procedure to introduce your business or your job through a specific way. Your business boosts up by the help of search engine optimization because it is just according to the latest advertising demand. Many people think that search engine optimization is not necessary to increase the profit of the business they are wrong. We are living in a competitive era therefore we need to tell our expertise to others. When common people will know they will contact us and out business will spread all over the world.