In search engine optimization (SEO), there are several methods which are used for link building. Some of these methods are: Article submission, Blog submission, Blog commenting, Bookmarking, profile linking, etc. Each method is important and is used according to a strategy. While using these methods the pagerank (PR) also matters.
Profile linking is also one of the important method used in link building. Using profile linking we can create a backlink for the site. In profile link, you simply add your website's URL to a personal, professional or any business profile, which you create on different sites. These profiles can also be created on forums, social media sites or any other kind of websites.