Definition
A backlink is a link from another site to yours; relevant, editorial backlinks tell search engines that others vouch for your content.
Backlink explained
Links have been part of how search engines rank pages since Google's early PageRank algorithm. A link from a respected, relevant site is a signal that your page is worth referencing. Not all links are equal: one editorial link from a leading publication in your industry can matter more than hundreds from unrelated directories.
Signs of a valuable backlink:
- It comes from a site with real readers and topical relevance to yours.
- It was given editorially, because the content is useful, not paid for or swapped.
- It sits in the main content, in context, rather than in a footer or sidebar list.
- It points to a relevant page, with natural anchor text.
Buying links or exchanging them primarily to manipulate rankings breaches Google's spam policies. Paid placements should be marked with rel sponsored or nofollow. Sustainable link building earns links with things people want to cite: original research, useful tools, expert commentary and genuinely helpful guides.
Example
Your logistics company publishes a study of delivery times across major cities. A trade publication writes about the findings and links to your study page. That editorial backlink helps your whole site's authority on logistics topics.
Why it matters
Relevant backlinks remain a strong ranking signal, and the same coverage often produces the brand mentions AI assistants rely on.
Related service
Link Building
Editorial links and mentions from relevant publications, earned with research and digital PR.
White-hat link building servicesSources
- Google Search Central: Spam policies for Google web search (updated 28 Aug 2026)
Published by Vidern, founded and led by Malhar Shah. Updated .
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Related terms
- Referring domainA referring domain is a unique website linking to yours, so ten links from one site count as ten backlinks but only one referring domain.
- Anchor textAnchor text is the visible, clickable text of a link, which tells readers and search engines what the linked page is about.
- Nofollow linkA nofollow link carries a rel attribute, nofollow, sponsored or ugc, that tells search engines not to treat it as an editorial endorsement.
- Digital PRDigital PR is earning coverage, links and brand mentions on news sites, industry publications and blogs through stories, data and expert commentary.
- Link equityLink equity is the ranking value that links pass from one page to another, which redirects and internal links can preserve or waste.