What is a backlink?

A backlink (or inbound link) is a hyperlink from one website pointing to another website, acting as a vote of confidence or a citation that signals trust and authority to search engines like Google, significantly impacting search ranking. 

What are backlinks used for?

Backlinks are used to boost a website’s authority, credibility, and visibility in search engines. When reputable websites link to yours, search engines take it as a signal that your content is valuable and trustworthy, which can improve rankings. They also drive referral traffic, putting your site in front of new audiences without you having to shout into the void.