How to Do a Backlink Audit

A backlink audit reviews a site's full link profile for health and opportunity — not to reflexively disavow every flagged link, but to understand what's actually driving (or risking) the site's authority, and to catch genuine problems early.

Published

November 12, 2026

Read time

3 min read

How to Do a Backlink Audit

Pull every backlink from an SEO tool's backlink report, not just a sample — a partial view can miss both risk concentrated in a smaller batch of low-quality links and opportunity hiding in less obvious sources. Include referring domain, anchor text, link type (followed/nofollow), and the linking page's own authority metric for each entry.

Check overall profile diversity

Review the ratio of unique referring domains to total backlinks (a healthy profile shows genuine diversity, not concentration in a handful of domains), and check anchor text distribution for unnatural uniformity (an unusually high percentage of links using the exact same commercial anchor phrase is a red flag worth investigating, whether self-inflicted or a sign of a negative SEO attempt).

Most backlink audit tools flag a percentage of links as 'toxic' fairly aggressively — cross-check flagged links against real evidence of harm (a manual action, unusual ranking volatility correlating with when the links appeared) rather than assuming every flagged link needs action, since Google's own systems are generally effective at ignoring low-quality links without any negative impact on the target site.

Beyond risk assessment, a backlink audit should surface what's actually working — which content, pages, or campaigns earned the strongest, most relevant links, and what made them link-worthy (original data, a useful free tool, genuine news value). This turns the audit into a forward-looking strategy input, not just a risk-management exercise.

Only disavow with clear, specific justification

Reserve the disavow tool for two situations: cleaning up before a reconsideration request tied to a confirmed manual action, or a clearly evidenced, active negative SEO attack — not as a routine response to every tool-flagged link, since disavowing without real cause can occasionally remove signal Google was already handling correctly on its own.

Set a recurring review cadence

A backlink profile changes continuously — new links arrive, old ones disappear as sites update or go offline — a quarterly or biannual review catches both emerging risk and new link-earning opportunities before they either compound into a problem or go unnoticed as a pattern worth repeating.

Common mistakes to avoid

  • Disavowing every link a tool flags as 'toxic' without checking for actual evidence of harm.
  • Auditing once and never revisiting, missing how the profile evolves over time.
  • Focusing only on risk and missing the strategic opportunity signal a backlink audit can also surface.

Free tool: Want to see the links behind any site? Use our Free Backlink Checker.

FREE BACKLINK PLAN

Build authority with backlinks that matter

Get a shortlist of sites that already link to competitors in your niche, ranked by authority, without doing the outreach research yourself.

  • 20 link opportunities matched to your niche
  • Discover competitor backlink sources
  • Get actionable link-building opportunities
Backlinks

We'll email you the results and occasional SEO tips. Unsubscribe anytime.

FAQs

Common questions

Quarterly for actively growing sites, or biannually for more stable ones — frequency should scale with how fast the link profile is actually changing.

No — an audit assesses the existing profile's health and patterns; a link-building strategy uses those findings (among other inputs) to plan future link-earning activity.

Related Reading

How to Prepare a Site for the AI Search Era (GEO Readiness Checklist)

How to Prepare a Site for the AI Search Era (GEO Readiness Checklist)

Being cited by AI assistants and AI Overviews depends on a specific, checkable set of technical and content factors — mostly the same fundamentals that support good traditional SEO, plus a handful of AI-specific additions. Here's the full readiness checklist.

How to Structure URLs for SEO

How to Structure URLs for SEO

A URL is one of the few page elements a reader sees before ever clicking — in a browser tab, in a shared link, in a search result. Beyond that visibility, it also plays a small but real role in how search engines and users understand a page's place in a site's structure.

How to Optimize Images for SEO

How to Optimize Images for SEO

Images are typically the heaviest assets on a webpage, which makes image optimization one of the highest-leverage, most overlooked levers for both page speed and search visibility. Here's the full checklist.

Done reading?
Let’s startdoing.

Stop doing SEO manually. Join thousands of teams using SeoSorted to automate their organic acquisition.

No Card Required.