Backlinks also known as incoming links , inbound links, inlinks , and inward links , are incoming links to a page or web site . In basic terminology , a backlink is any link received by a web node ( web page , directory, website, or top level domain ) from another web node.

Inbound links were originally important ( prior to the emergence of search engines ) as a primary means of web navigation today their significance lies in search engine optimization SEO . The number of backlinks is one indication of the popularity or importance of that website or page ( for example, this is used by Google to determine the PageRank of a webpage ) . Besides SEO , the backlinks of a webpage may be personal , cultural or semantic interest interest: they indicate who is being attracted to that page .

Backlinks or " shared link " - This is a sharing link between other sites . Backlinks are very important for websites and directly influence the PageRank , they are evidence of the relevance of a particular site . A site that contains quality content and disperta the interest of other people , you probably have your content ( link) shared thus generating a backlink and consequently increasing the relevance of the site .

Backlinks enable you to track other Web pages that contain links to your posts . For example , suppose that Alice write a post that Bob finds interesting . Bob goes to his own blog and write a post about it with a link to the original post from Alice. Now Alice 's post will automatically display that Bob created a link to this post and provide a small piece of text and a link to the post Bob . This is a way of expanding the comment feature so that related discussions on other sites can be included along with the regular comments on a post.

by Wikipedia