Relay links refer to the process where one website links to another website, thus redirecting traffic to the second site. Some synonyms for relay links include backlinks, inbound links, and incoming links. All three synonyms refer to the same process where another website links to your website. These links are essential for improving a website's search engine optimization (SEO) and increasing its visibility online. Other synonyms for relay links include referral links, reciprocal links, and link exchanges. Regardless of the name, the importance of relay links cannot be overstated in a website's success.