What are Backlinks? Explained by http://SEORankSpecialist.com. Learn what a Backlink is, how they work and their importance. Backlinks explained in this SEO Tutorial Video covering 3 Key Elements. Firstly, it will define backlinks and show you how backlinks really work with a specific example. Secondly, it will highlight the importance of backlinks and answer your question why does my website need links? Finally, it will cover the value of building relevant and quality links to your site.