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Official statement

Nofollow attributes are designed to indicate that certain links should not influence rankings in search engines. Google now views nofollows as hints rather than strict directives, and may choose to ignore them in some cases.
9:29
🎥 Source video

Extracted from a Google Search Central video

⏱ 1h23 💬 EN 📅 17/12/2019 ✂ 10 statements
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Official statement from (6 years ago)
TL;DR

Google has changed how nofollow works: it is no longer a strict directive, but a hint that the algorithm may choose to ignore. Essentially, placing a nofollow on a link no longer guarantees that it will not transmit any PageRank or ranking signals. This shift calls into question all PageRank sculpting strategies and necessitates a reevaluation of how outgoing links are managed.

What you need to understand

What has changed in how Google treats nofollow?

For years, nofollow was a strict directive: a link marked with rel="nofollow" did not pass any PageRank or ranking signals. Google adhered to this instruction meticulously, allowing SEOs to accurately control the distribution of link juice across their sites.

Now, Google considers nofollow a simple hint that it can choose to follow or ignore based on its contextual analysis. The algorithm reserves the right to treat certain nofollow links as normal links if it believes this enhances the quality of its index. This shift has been officially announced and is being gradually applied across its ranking system.

Why has Google changed the functionality of nofollow?

Google justifies this change by its desire to better understand natural link patterns and combat manipulations. By treating nofollow as a hint, the algorithm can detect patterns of sponsored links or attempts at abusive PageRank sculpting.

This modification also allows Google to leverage additional contextual signals to assess the relevance and authority of pages. A nofollow link in quality editorial content may now be considered if Google deems it reflects a legitimate recommendation, even if the webmaster intended to exclude it from consideration.

In what situations might Google choose to ignore a nofollow?

Google does not specify the situations in which it decides to ignore a nofollow. The official documentation remains deliberately vague, complicating the anticipation of its behavior. We only know that the algorithm analyzes the context of the link (placement, surrounding content, overall site profile) before making a decision.

Field observations suggest that Google takes nofollows into account in certain editorial contexts, particularly to understand relationships between entities or identify citations of sources. But predicting with certainty when a nofollow will actually be ignored is impossible — making link management strategies much more opaque.

  • The nofollow has shifted from a strict directive to a simple hint that Google can ignore
  • The stated goal is to better detect manipulations and understand natural link patterns
  • The exact criteria for a nofollow to be ignored are not publicly documented
  • This evolution makes PageRank sculpting largely unpredictable and less controllable
  • Webmasters have lost a guarantee of absolute control over the transmission of their authority

SEO Expert opinion

Is this statement consistent with observed practices on the ground?

SEO observations partially confirm this evolution, but with unpredictable behaviors. Some nofollow links do seem to be passed in strong editorial contexts, while others remain clearly ignored. The lack of transparency makes empirical analysis complex.

The issue lies in the absence of precise documentation on Google's decision criteria. Without knowing when a nofollow will be ignored, it's impossible to build a reliable PageRank management strategy. [To verify]: Google has not published any quantitative data on the actual application rate of nofollows, nor clear guidelines to anticipate its behavior.

What contradictions does this evolution introduce into SEO best practices?

This change directly collides with years of established recommendations. For a long time, sites have been advised to place nofollows on outgoing links to unreliable content, comments, or sponsored links. If Google can now ignore these attributes, what guarantee remains against unwanted PageRank leakage?

The most glaring paradox concerns sponsored and paid links. Google still requires that they be marked nofollow (or sponsored/ugc), yet simultaneously asserts that these attributes are only hints. Let's be honest: if Google can ignore a nofollow, what protection remains against penalties for poorly declared paid links? The official answer remains vague.

In what contexts does this rule become problematic?

Sites with a high volume of user-generated content (forums, review sites, marketplaces) are particularly exposed. They heavily utilize nofollow to guard against spam and manipulative links in comments or profiles. If Google decides to ignore these nofollows, the risk of link profile pollution increases.

Content publishers monetizing through affiliate links also find themselves in a gray area. They apply nofollows to their affiliate links to comply with guidelines, but if Google ignores them and detects a pattern of commercial links, the site could be penalized despite its apparent compliance.

Warning: this evolution renders any fine PageRank sculpting strategy obsolete. Techniques aimed at channeling link juice to strategic pages via targeted nofollows no longer function predictably. Control over the internal distribution of authority is now largely theoretical.

Practical impact and recommendations

Should you still use nofollow on your outgoing links?

Yes, absolutely. Even if Google treats nofollow as a hint, removing all your nofollows would be a major mistake. The attribute remains an important signal to indicate the nature of links (sponsored, UGC, unreliable links) and Google continues to utilize it to understand the context.

The difference is that you can no longer rely on nofollow as a guarantee of non-transmission of PageRank. Use it to qualify your links, but complement this approach with qualitative management of your outgoing links: only link to relevant sources, even in nofollow, as Google can now analyze them.

How to adapt your internal and external linking strategy?

Focus on the contextual quality of links rather than their technical attribution. A nofollow link to a high-authority source in a relevant editorial context may now be interpreted positively by Google, even if it does not transmit PageRank in the traditional sense.

For internal linking, avoid overly aggressive PageRank sculpting strategies using internal nofollows. Google might detect them as manipulative and choose to ignore them completely, rendering your internal link structure unreadable to the algorithm. Favor a natural architecture based on content hierarchy.

What checks should you perform on your existing site?

Audit your outgoing nofollow links to identify those pointing to low-quality or spammy content. If Google decides to consider them despite the attribute, they could harm your link profile. When in doubt, remove these links entirely rather than relying on nofollow.

Also analyze your internal nofollow links: if there are many and strategically placed to channel PageRank, Google may interpret this pattern as manipulation and ignore all your internal nofollows. Restore a more natural linking structure, guided by editorial relevance.

  • Keep nofollow on all sponsored, affiliate, and UGC links — it's still a requirement
  • Remove or replace outgoing nofollow links to low-quality content
  • Limit the use of internal nofollow to legitimate cases (navigation, footer, etc.)
  • Prioritize contextual relevance of links over their technical qualification
  • Document your nofollow attribution choices to justify their editorial logic if needed
  • Monitor the evolution of your backlink profile to detect potential changes in Google's behavior
The shift of nofollow from directive to hint significantly complicates PageRank management. There is no longer a guaranteed method to control authority transmission, which necessitates a complete rethinking of linking strategies. These technical and strategic adjustments require a deep expertise and constant vigilance on algorithmic evolutions. If your site relies on a complex link architecture or generates a lot of user content, consulting a specialized SEO agency may prove beneficial to navigate this new gray area and adapt your strategy without risking penalties.

❓ Frequently Asked Questions

Un lien en nofollow transmet-il encore du PageRank ?
En théorie, non — mais Google peut désormais choisir de l'ignorer et de traiter le lien comme normal dans certains contextes. Aucune garantie absolue de non-transmission.
Dois-je retirer tous mes nofollows internes pour optimiser mon PageRank ?
Non, c'est une mauvaise idée. Google peut interpréter un pattern agressif de manipulation et pénaliser votre site. Gardez les nofollows sur les éléments non-éditoriaux (footer, navigation répétée).
Les liens sponsorisés doivent-ils toujours être en nofollow ?
Oui, absolument. Utilisez rel="sponsored" ou nofollow sur tous les liens payants. Même si Google peut techniquement ignorer l'attribut, ne pas le mettre constitue une violation des guidelines et expose à des pénalités.
Comment savoir si Google ignore mes nofollows ?
Impossible de le savoir avec certitude — Google ne communique pas sur les cas individuels. Vous pouvez analyser les flux de trafic et les variations de ranking, mais sans preuve formelle.
Les attributs UGC et sponsored sont-ils aussi traités comme des indices ?
Oui, Google traite sponsored et ugc exactement comme nofollow : ce sont des indices que l'algorithme peut choisir de suivre ou d'ignorer selon le contexte. Aucune garantie de respect strict.
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