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SeoWiki

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Link Building

Bad Backlinks

Bad Backlinks is an SEO topic covered in SeoWiki.

Beginner3 min readUpdated 2026-07-26Reviewed by Lucía Marín

Key takeaways

  • Bad backlinks are usually defined as inbound links from spammy, low-quality, irrelevant, or manipulative sites.
  • Google’s concern is less about “bad” in a moral sense and more about links that violate link spam rules or are created to manipulate rankings.
  • Common red flags include thin or auto-generated content, excessive ads, irrelevant topics, hidden or suspicious sites, and lack of contact information.

Bad backlinks can weaken a site’s trust signals, distort its link profile, and in severe cases contribute to manual or algorithmic link-spam issues. For SEO practitioners, the main job is not to panic over every suspicious link, but to identify genuinely harmful patterns and prioritize removal or disavow only when needed.

Example

Bad backlinks are usually defined as inbound links from spammy, low-quality, irrelevant, or manipulative sites.

Quick start

  1. Define the goal for this topic.
  2. Check the live SERP format.
  3. Improve one page that matches the intent.
  4. Measure in Google Search Console.

Common mistakes

  • Treating the topic as a one-time task
  • Ignoring search intent
  • Copying tactics without checking your SERP

Next step

FAQ

What is a bad backlink?

A bad backlink is an inbound link from a low-quality, irrelevant, or manipulative source that violates Google's link spam policies and may hurt SEO.

How do I find bad backlinks?

Use Google Search Console's Links report or SEO tools like Semrush Backlink Audit to review referring domains and identify red flags.

Should I disavow bad backlinks?

Only disavow if you have a manual action or a clear pattern of unnatural links. For most sites, ignoring or removing via outreach is better.

What is the difference between a bad backlink and a low-quality one?

A bad backlink is manipulative or spammy (e.g., link scheme), while a low-quality link may be weak but not harmful. Context matters.

Related topics

Sources

Reviewed by Lucía Marín, Founding editor.