What does Google say about SEO? /
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions

Official statement

If you have a clear pattern of unnatural links pointing to your site, it is advisable to remove them. If that is not possible, using the disavow file is an option to instruct us not to consider them in our evaluation. However, be careful before concluding that an update has negatively impacted you based on links.
2:40
🎥 Source video

Extracted from a Google Search Central video

⏱ 58:29 💬 EN 📅 26/11/2019 ✂ 10 statements
Watch on YouTube (2:40) →
Other statements from this video 9
  1. 6:37 Pourquoi vos logs serveur ne correspondent-ils jamais aux chiffres de crawl de la Search Console ?
  2. 14:30 Le crawl budget de Google dépend-il vraiment de la vitesse serveur de votre site ?
  3. 20:59 Comment Googlebot planifie-t-il vraiment le crawl de votre site ?
  4. 23:18 La vitesse de site améliore-t-elle vraiment le crawl et le classement Google ?
  5. 30:18 Pourquoi Search Console ne détecte-t-il pas toutes mes erreurs mobiles ?
  6. 31:23 L'AMP booste-t-il vraiment votre budget de crawl ?
  7. 38:28 URLs absolues ou relatives : est-ce vraiment sans impact pour le référencement ?
  8. 45:36 Les interstitiels de sélection de pays bloquent-ils réellement l'indexation de vos pages ?
  9. 47:14 Un changement de domaine peut-il vraiment se faire sans perte de ranking ?
📅
Official statement from (6 years ago)
TL;DR

Google recommends prioritizing the removal of unnatural links pointing to your site. The disavow file remains a fallback option when manual removal is impossible. Be cautious before concluding that a traffic drop is due to your link profile — this quick diagnosis often leads to unnecessary or even counterproductive actions.

What you need to understand

What constitutes a 'clear pattern' of unnatural links?

John Mueller mentions a clear pattern of unnatural links, but he does not precisely define this threshold. In practical terms, Google refers to obvious patterns: massive link purchases, automated spam, systematic reciprocal link exchanges, massively over-optimized anchors.

The nuance matters: a few isolated suspicious links do not constitute a 'pattern.' Google looks for repetitive and intentional signals that demonstrate manipulation. A site with 5,000 backlinks, of which 20 are suspicious, likely does not have a systemic problem — unlike a site with 200 links, 150 of which come from Chinese link farms.

Why does Google emphasize removal over disavowal?

Manual removal remains Google's preferred method because it truly cleans up the web. The disavow file is a safety net: it tells Google, 'ignore these links,' but it does not make them disappear.

From an algorithmic standpoint, Google prefers to evaluate a clean profile rather than manage thousands of disavow files. Removal also demonstrates your good faith — you have made the effort to contact webmasters, remove sponsored content, and clean up your practices.

In what cases does the disavow file remain relevant?

Disavowal comes into play when removal is technically impossible: dead sites, unreachable webmasters, closed platforms, negative SEO where you've never controlled those links. It is a safety net, not a default solution.

Mueller provides a crucial warning: do not conclude too quickly that a traffic drop stems from your links. This diagnostic error leads some SEOs to massively disavow perfectly healthy links, depriving their site of legitimate authority. The reflex 'I lost traffic → I disavow everything' is dangerous.

  • Google distinguishes between isolated suspicious links and intentional repetitive patterns
  • Manual removal always takes precedence over the disavow file
  • Disavowal is a last resort when removal fails
  • A traffic drop rarely has links as the sole cause — validate the diagnosis before taking action
  • Massively disavowing healthy links can destroy your domain authority

SEO Expert opinion

Does this cautious approach align with observed practices?

Yes, and it's even a welcome reframing. For years, the SEO industry has oversold the disavow file as a miracle solution. The result: audits where 70% of the link profile is disavowed 'out of caution,' destroying legitimate authority signals in the process.

Mueller sets the record straight: disavowal is not a routine maintenance tool. Field observations confirm that sites that manually clean up their worst toxic links (the top 5-10% most obvious) fare better than those importing 2,000-line disavow files generated by automated tools.

What nuances should be added to this recommendation?

First point: Mueller remains deliberately vague on what constitutes a 'clear pattern.' No numerical threshold, no ratio of toxic to healthy links, no precise metric. [To be verified]: each case requires human analysis — automated tools often classify perfectly natural links (forums, legitimate comments, low DA but contextually relevant sites) as 'toxic.'

Second nuance: the phrase 'be careful before concluding that an update has affected you based on links' is crucial. Traffic drops following algorithmic updates rarely have backlinks as the sole cause. Weak content, technical issues, intent mismatch, cannibalization — these are all more likely factors. The reflex 'I clean my links' often serves as an excuse to avoid the real diagnosis.

In what cases does this rule not apply?

Sites affected by documented massive negative SEO must act differently. If you receive 500 spammy links within 48 hours from Russian or Asian sites, manual removal is unrealistic. Preventive disavowal becomes legitimate.

Another exception: old acquired sites with a toxic history. You inherit a profile polluted by the previous owner, making it impossible to manually clean up 5 years of poor practices. Bulk disavowal of links prior to the acquisition date is justified.

Warning: never disavow a link without having attempted a manual removal first or verifying that it's impossible. A poorly designed disavow file can damage your SEO more reliably than a manual penalty.

Practical impact and recommendations

How do you identify links that really deserve action?

Start with a qualitative audit, not a quantitative one. Tools (Ahrefs, Majestic, SEMrush) give you automated toxic scores — treat them as indicators, not absolute truth. Manually review your top 100 links classified as 'toxic' by the tool.

Look for obvious patterns: repeated identical commercial anchors 50 times, links from footers of irrelevant sites, link farms with 500 outgoing links per page, hacked sites with pharmaceutical spam. If you have to think for 30 seconds about whether a link is toxic, it probably isn’t.

What methodology should be followed for manual removal?

Create a spreadsheet with columns: source URL, target URL, anchor, contact status, follow-up date. Prioritize the most dangerous links: those with exact commercial anchors, known paid link platforms, publicly penalized sites.

Contact webmasters with a simple email: 'I noticed a link from your site to mine. Could you please remove it?' No SEO explanation, no threats. Follow up once after 2 weeks. If no response after 3 weeks, proceed to disavow for that specific link. Document each attempt — if Google issues you a manual action, this evidence of effort is your best defense.

When and how to use the disavow file without risk?

The disavow file should remain surgical. Format: one URL or one domain per line, comments preceded by #. Prefer specific URLs over entire domains — unless the entire domain is toxic.

First test on a small batch: disavow the 10-20 most obvious links, wait 4-6 weeks, observe. If there is no negative impact, continue gradually. Never disavow in bulk 500 domains at once — you risk cutting off legitimate authority sources that you had not identified.

  • Manually audit your classified toxic links — do not trust automated scores
  • Attempt manual removal for ALL identified problematic links
  • Document each contact attempt (emails, dates, responses)
  • Use the disavow ONLY for links that are impossible to remove after follow-up
  • Disavow by specific URL rather than entire domain (unless obvious spam)
  • Test on a small batch before any massive operations
Cleaning up a link profile requires time and careful analysis. Many SEOs underestimate the complexity of diagnosis — confusing correlation with causation can lead to disavowing valuable links. If your profile includes several thousand backlinks with a high proportion of suspicious links, or if you lack the resources to conduct this audit in-house, engaging a specialized SEO agency ensures a methodical and secure approach. The expertise of an external perspective helps avoid costly mistakes in this delicate operation.

❓ Frequently Asked Questions

Combien de liens toxiques faut-il pour déclencher une pénalité manuelle ?
Google ne communique aucun seuil précis. Une pénalité manuelle dépend davantage d'un schéma intentionnel évident que d'un nombre absolu. 20 liens achetés avec ancres commerciales identiques sont plus dangereux que 200 liens spam isolés et aléatoires.
Le fichier de désaveu a-t-il un effet immédiat ?
Non. Google doit recrawler les URLs désavouées pour prendre en compte le fichier. Comptez 4 à 12 semaines selon la fréquence de crawl de votre site et des sites sources.
Peut-on désavouer un lien qu'on regrette ensuite ?
Oui, le fichier de désaveu est éditable. Supprimez la ligne correspondante et réimportez le fichier via Google Search Console. Même délai de prise en compte que pour l'ajout initial.
Les liens de faible qualité mais naturels doivent-ils être désavoués ?
Non. Google sait ignorer les liens de faible qualité sans intervention de votre part. Désavouer massivement des liens simplement « moyens » peut vous priver de signaux d'autorité cumulatifs parfaitement légitimes.
Comment prouver à Google qu'on a tenté la suppression manuelle ?
Conservez un tableur avec dates de contact, copies d'emails envoyés, et réponses reçues. En cas d'action manuelle, vous pourrez joindre ce document dans votre demande de réexamen pour démontrer vos efforts.
🏷 Related Topics
AI & SEO Links & Backlinks PDF & Files

🎥 From the same video 9

Other SEO insights extracted from this same Google Search Central video · duration 58 min · published on 26/11/2019

🎥 Watch the full video on YouTube →

Related statements

💬 Comments (0)

Be the first to comment.

2000 characters remaining
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.