Nofollow link
A nofollow link carries rel="nofollow", a hint asking search engines not to pass ranking value or endorse the linked page. Google treats it as a hint, not a rule.
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What Nofollow link means
Nofollow was introduced in 2005 to fight comment spam. Since 2019 Google treats it as a hint and has added sponsored and ugc. Nofollow links still bring visitors, help discovery, and carry brand mentions that people and AI assistants read.
<a href="https://example.com" rel="nofollow">Example</a>