Backlinks are incoming links (hyperlinks) to a website. Backlinks are often used as part of a SEO (search engine optimisation) strategy â€“ search engines use the number of backlinks a site has as a measure of its popularity. Opinion differs though on how important backlinks are.
The number of links pointing back to your website. This can be found by conducting this search on the major Search Engines : - Link:http://www.yourwebsite.com
A link from another site back to your site. This is one factor used to determine your rank on search engine listings. See also: SEO, SERPs