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Backlink audit

A backlink audit is a structured review of a site's existing backlink profile — sources, anchors, placement types and risk patterns — used to judge link health before building on it or after suspecting damage.

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In practice

An audit answers three questions: what does the profile look like, what is risky in it, and what is worth keeping. The work is pull and sort — export referring domains and backlinks from an SEO tool, then segment: by source type (news, blogs, directories, junk), by anchor pattern (brand-heavy or keyword-heavy), by placement context (in-content versus footers and sidebars), and by traffic reality of the linking domains. The risk read focuses on patterns rather than individual links: clusters of sites that exist to sell placements, sudden spikes that coincide with a vendor engagement, exact-match anchor concentration, links from domains with no real audience.

For a buyer who has worked with vendors before, the audit also reconstructs history — mapping which links came from which campaign, which are still live, and which quietly vanished, which is exactly the information a report-led vendor engagement should have produced but often didn’t. The output is a verdict per segment: keep and build on this, monitor this, and the much smaller “act on this” list. Action usually means replacement, not removal: disavow is a last-resort tool for demonstrably toxic clusters, while most weak links are simply worth less than the effort of disavowing.

Cadence: a full audit annually or after a major campaign, a light check quarterly, and always before a migration — because moving a site without knowing which links point where is how hard-earned link equity gets stranded on dead URLs.

See also: Toxic links and when to disavow, Anchor text distribution, Site risk at scale.

Related service: Link building strategy.

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