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Backlinks

Definition

A backlink is a hyperlink from another website that points to a page on your site. Search engines treat each relevant, trusted backlink as a vote of confidence, making backlinks one of the strongest signals in how pages rank.

Why it matters

Backlinks are how the web signals trust. When an authoritative site links to yours, search engines read it as an endorsement — and pages with more high-quality, relevant backlinks tend to rank higher and rank for more competitive terms. For B2B, backlinks from industry publications, partners, and analysts also build the entity authority that AI answer engines weigh when deciding whom to cite. A handful of links from trusted, on-topic domains outperforms hundreds of low-quality ones.

How it works

Every backlink carries signals search engines evaluate:

  • Authority — the linking domain’s own trust and link profile.
  • Relevance — how topically related the linking page is to yours.
  • Anchor text — the clickable words, which hint at the target page’s subject.
  • Placement — an editorial link inside body content outweighs a footer or sidebar link.
  • Follow status — dofollow links pass ranking equity; nofollow, sponsored, and ugc links pass little or none.

Earn them through content worth citing, digital PR, original research, guest contributions, and reclaiming unlinked brand mentions. Avoid bought links, private blog networks, and mass directory spam — these are black-hat tactics that trigger penalties. To see which links you already have and where competitors outrank you, start with a free SEO audit.

Related terms

internal linkslink buildingdomain authority

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What counts

Not all links are worth having.

A backlink is a link from another site to yours. Search engines use them both to discover pages and to judge authority — but the useful measure is distinct, relevant domains with real audiences, not link count.

Referring domains first

Fifty links from one site do less than five from five different relevant sites.

Donor visibility

A site that ranks for nothing and receives no traffic passes on little. Check before you place.

Anchor distribution

Healthy profiles are mostly branded and neutral anchors. A surplus of exact commercial phrases looks bought — because it usually is.

Bought links carry risk

Both major search engines penalise purchased links, and recovery requires removing them, not adding better ones.

The durable methods are unchanged: publish things worth citing, earn coverage and use internal linking properly. Related terms: link building, anchor text, domain authority, disavow.

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