Negative SEO
Negative SEO is the deliberate use of harmful tactics to damage a competitor’s search visibility, rankings, or reputation instead of improving one’s own site.
Key takeaways
- Negative SEO is intentional and adversarial — the attacker wants your rankings to fall.
- Common tactics include spammy backlinks, content scraping, fake reviews, click fraud, and site hacking.
- A backlink spike alone does not prove an attack; inspect linking domains and anchor text first.
- Google Search Console is your core monitoring tool for links, security issues, and manual actions.
- Disavow only after confirming harm — not as a first response to every spam link.
Negative SEO attacks can happen to any site, but with the right monitoring and response, most damage is temporary.
Example: A Sudden Backlink Spike
- A travel blog sees a 500% increase in referring domains overnight.
- The new links come from sites in foreign languages, with spammy anchor text like "buy cheap viagra".
- The site owner checks Google Search Console → no manual action, but rankings drop for key terms.
- They use Ahrefs to review the links: most are from PBNs or hacked sites.
- After confirming the links are indexed and harmful, they disavow the domains and submit a reconsideration request.
- Rankings recover within 2–3 weeks.
Quick-Start: First 30 Minutes After Suspecting an Attack
- Check Google Search Console for Security Issues and Manual Actions.
- Review the Links report for unusual spikes in referring domains.
- Use a backlink checker (e.g., Ahrefs, Semrush) to inspect new links: domain quality, anchor text, language.
- Check for fake reviews on Google Business Profile or other platforms.
- Scan your site for malware or unauthorized changes (e.g., new pages, injected code).
- Document everything: screenshots, dates, and link lists.
How to Judge If a Backlink Spike Is an Attack
- Domain relevance: Are the linking sites related to your niche? If not, flag.
- Anchor text diversity: Is it mostly exact-match commercial anchors? Suspicious.
- Link velocity: Did the spike happen overnight or gradually? Gradual is less likely an attack.
- Indexing status: Are the links actually indexed? Google often ignores unindexed spam.
- Manual action check: GSC shows if a penalty has been applied.
Common Mistakes When Handling Negative SEO
- Disavowing every spam link without checking if it's actually affecting rankings.
- Ignoring GSC Security issues or Manual actions and focusing only on backlinks.
- Assuming any ranking drop is negative SEO instead of checking for algorithm updates, technical issues, or content changes.
- Treating negative SEO as only a backlink problem and missing scraping, hacking, and review spam.
Next step
FAQ
What is negative SEO?
Negative SEO is the intentional use of harmful tactics to damage a competitor's search rankings, traffic, or reputation. It is a form of black hat SEO.
How do I know if I'm being attacked by negative SEO?
Look for sudden ranking drops, unusual backlink spikes, security warnings in Google Search Console, or fake reviews appearing. Not every drop is an attack; check for algorithm updates first.
Should I disavow all suspicious backlinks?
No. Only disavow links you have confirmed are harmful and causing a manual action or ranking issue. Many spam links are ignored by Google.
Can negative SEO permanently damage my site?
In most cases, damage is temporary if you respond quickly. Google's spam systems often ignore low-quality links, and manual actions can be resolved.
Related topics
Sources
- Google Search Central — Primary source for Google guidance on Search Console, manual actions, link spam, and disavow-related policies.
- Google Search Console Help — Authoritative reference for checking links, security issues, and manual action reports.
- Search Engine Land — Clear practitioner overview of negative SEO tactics, detection, and defense.
- Ahrefs — Useful operational guidance on backlink review and negative SEO detection workflows.
Reviewed by Lucía Marín, Founding editor.