It is one of the important strategies of SEO which plays an important role in the ranking of the website. This process includes the process of allowing external pages to link to a webpage on your site. A link from an authoritative and trustworthy website will rank your site higher, than a link from a newly created website. Original content submission and promotion, posting of content on online directories, submission of press releases , online reviews of product and services on important blogs, and links from partners and friends will generate high quality inbound links to your website. http://www.webdhoom.com/services/search-engine-optimization-seo/