Reciprocal links refer to a mutual exchange of hyperlinks between two websites, where each site links to the other. This type of linking is often used as a strategy to increase website traffic and improve search engine rankings. It involves a symbiotic relationship between two websites, where both parties benefit from the increased visibility and credibility that comes with being linked to by another reputable site. However, it is important to note that search engines now place less importance on reciprocal links and instead prioritize organic, high-quality backlinks.