A backlink is a hyperlink from one website to another. Search engines treat quality backlinks as votes of confidence, using them to assess a page's authority, relevance, and trustworthiness. Websites with strong backlink profiles consistently rank higher in search results.
Effective strategies include creating linkable content (original research, infographics), guest posting on authoritative sites, building relationships with industry publications, earning editorial mentions, and claiming unlinked brand mentions across the web.
Dofollow links pass link equity (ranking authority) to the linked page, directly influencing rankings. Nofollow links include a rel='nofollow' attribute telling search engines not to pass authority. Both types contribute to a natural, healthy backlink profile.
Use tools like Google Search Console, Ahrefs, or SEMrush to audit your backlink profile. Identify spammy, irrelevant, or manipulative links, then request removal from webmasters. As a last resort, use Google's Disavow Tool to neutralize toxic links.