SEOMarketing glossary

Backlink

Also known as: Inbound link

A backlink is a link from one website to another. Search engines treat them as votes of confidence — a major factor in how pages rank.

When a reputable site links to yours, it passes along some of its authority and signals to search engines that your content is trustworthy and worth surfacing. This is one of the strongest off-page ranking factors.

Quality far outweighs quantity. A single link from a respected, topically-relevant publication is worth more than hundreds from low-quality directories — and manipulative link schemes can trigger penalties.

Backlinks are earned, not bought: through genuinely useful content, original research, digital PR, and relationships. This is the part of SEO that lives outside your own codebase and takes the most sustained effort.

Frequently asked questions

Are all backlinks good for SEO?

No. Links from spammy, irrelevant, or paid link farms can hurt your rankings or trigger a penalty. Focus on earning links from relevant, authoritative sites through quality content and digital PR.

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