What Is Link Building? — Wiki
Link building is the process of creating links from other websites to your website and helps to increase your website's visibility and get more free traffic from search engines. . Link building helps to boost the authority of a website by increasing its backlink profile.
What Are Traffic Exchange Sites? — Wiki
Traffic Exchange websites are simply groups of website owners who all agree to visit the other sites on the list and in return have their own sites visited. Traffic Exchange Sites which helps you to exchange traffic with other website and gain traffic to your site for free