When web sites link to each other, either directly or indirectly through a number of different pages, a search engine might consider those links to be reciprocal links. A reciprocal link is an agreement between two webmasters to provide a hyperlink within their own website to each other's web site. Generally this is done to provide readers with quick access to related sites, or to show a partnership between two sites. Reciprocal links can also help to increase traffic to your web site in two ways.