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Official statement

Nofollow links do not pass any PageRank value to the target site. They are treated the same, whether they are in comments, body text, or social media.
13:40
🎥 Source video

Extracted from a Google Search Central video

⏱ 1h00 💬 EN 📅 16/03/2017 ✂ 10 statements
Watch on YouTube (13:40) →
Other statements from this video 9
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  3. 26:41 Robots.txt vs Noindex : lequel bloque vraiment l'indexation de vos pages ?
  4. 29:53 AMP booste-t-il vraiment votre classement Google ou est-ce un mythe SEO ?
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  6. 48:00 Pourquoi Google tolère-t-il le contenu dupliqué dans la documentation technique ?
  7. 54:50 La modération des commentaires peut-elle déclencher une action manuelle Google ?
  8. 55:52 Mettre à jour son contenu sans changer la date améliore-t-il vraiment le classement ?
  9. 57:00 Google Web Light : Faut-il optimiser différemment pour les connexions lentes ?
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Official statement from (9 years ago)
TL;DR

Google claims that nofollow links pass no PageRank value, whether in comments, content, or on social media. For SEOs, this means a nofollow backlink theoretically brings no direct link juice. However, real-world scenarios show that these links can generate qualified traffic and contribute to a natural link profile.

What you need to understand

What does "no PageRank value passed" really mean?

When Google talks about PageRank transmission, it refers to the fundamental mechanism that circulates authority between web pages. A standard (dofollow) link acts like a vote: it transfers a fraction of the authority from the source page to the target page. This transfer directly influences ranking in the results.

The rel="nofollow" attribute blocks this transmission. The Google bot still crawls the link, indexes the target page if it is otherwise accessible, but the link graph does not count this connection in the authority calculation. It’s like a “no entry” sign for PageRank.

Why does Google treat all nofollow links the same?

The statement emphasizes a crucial point: the location of the nofollow link does not matter. Whether it’s in a blog comment, within an editorial article, or shared on Twitter, the treatment remains the same. This uniformity aims to simplify the system and prevent webmasters from looking for loopholes based on context.

However, this position clashes with reality: a contextual nofollow link in an article written by a journalist holds a different qualitative value than an automated link in a footer. Google can analyze these contextual signals even without transferring explicit PageRank. The official statement does not mention this nuance.

How does this rule fit into the recent evolution of link attributes?

Since the introduction of the rel="sponsored" and rel="ugc" attributes, Google has refined its link grammar. These new tags allow categorizing links (sponsored content, user-generated content) while maintaining the default nofollow behavior. The algorithm can now differentiate between an advertising link and a spammy comment link.

What has changed since March 2020 is that Google treats these attributes as hints rather than directives. In theory, a sponsored link could pass PageRank if Google considers the editorial context legitimate. In practice, this flexibility remains marginal and poorly documented.

  • Zero direct PageRank: a nofollow link does not count in the page authority calculation.
  • Uniform treatment: no difference between comments, body text, or social networks.
  • Crawl maintained: Google follows the link to discover content, but without authority transfer.
  • Contextual hints: the algorithm can analyze editorial quality even without counting the link.
  • Gradual evolution: the sponsored and ugc attributes refine classification without guaranteeing PageRank.

SEO Expert opinion

Is this statement really absolute in practice?

Google's wording is categorical, but observed reality is blurrier. Tests by several SEOs demonstrate that pages receiving only nofollow links from authoritative sites can still progress in the SERPs. Correlation does not equal causation, of course, but the phenomenon raises questions.

Several hypotheses coexist. First, these links may generate qualified traffic that improves user signals (click-through rate, time on site). Next, Google could use these links as signals of thematic relevance without necessarily transferring accountable PageRank. Lastly, some nofollow links might be ignored by the algorithm if the context suggests they are legitimate editorial links. [To be verified]: no public data confirms this last hypothesis.

What inconsistencies do we observe in Google's practices?

Google recommends using rel="nofollow" for all paid links, yet paradoxically, many e-commerce sites with thousands of affiliate links (technically paid) do not appear penalized for not applying this directive. The engine seems to tolerate a certain ambiguity when the editorial context remains coherent.

Another inconsistency: uncrawled JavaScript links neither have the nofollow attribute nor pass PageRank, but Google does not treat them as standard nofollow links. The crawler can discover them during rendering, creating a gray area between “invisible link” and “non-valued link.” This ambiguity shows that the system is more complex than the official statement implies.

In what cases does this rule not apply as intended?

Some CMS and platforms apply nofollow by default too aggressively. Wikipedia, for example, applies nofollow to all its external links, but this does not stop those links from having massive indirect value: discoverability, traffic, perceived credibility. A Wikipedia link rarely boosts direct PageRank but can trigger other dofollow links.

Social media is another borderline case. Facebook, Twitter, and LinkedIn consistently apply nofollow, yet a viral content on these platforms can generate hundreds of secondary dofollow backlinks from blogs and media outlets. The initial nofollow acts as a spark without being fuel for PageRank.

Attention: Google can requalify a dofollow link as nofollow if it detects a manipulation pattern. Some aggressive link-building tactics may have their links algorithmically ignored, even without visible manual action in the Search Console.

Practical impact and recommendations

Should you completely ignore nofollow link opportunities?

No, that would be a strategic mistake. A quality nofollow link is still valuable for three reasons: it diversifies your link profile (a 100% dofollow profile looks suspicious), it generates qualified traffic, and it can indirectly trigger organic dofollow links if the target content is solid.

Prioritize nofollow links from thematic authoritative sources: a nofollow link from the New York Times is worth more than a dofollow from an obscure directory. Traffic and perceived credibility more than compensate for the lack of direct PageRank. However, avoid paying for pure nofollow links unless the goal is strictly traffic.

How to audit the dofollow/nofollow ratio of your link profile?

Use tools like Ahrefs, Majestic or Semrush to extract your complete profile. A natural ratio typically ranges from 60/40 to 80/20 in favor of dofollow, but this varies by sector. An e-commerce site will have more nofollow (comparators, reviews) than an editorial blog.

Watch for sudden changes. If 50% of your dofollow backlinks suddenly switch to nofollow, this may indicate manual action by Google or a change in a partner's policy. Document these developments to anticipate traffic fluctuations.

What critical mistakes should be avoided with nofollow attributes?

The most common: mistakenly applying nofollow to strategic internal links. Some developers put nofollow on menus or pagination links, which blocks the circulation of internal PageRank and harms crawling. Systematically audit your templates.

Another trap: forgetting to migrate to rel="sponsored" for affiliate or paid links. Since 2020, Google prefers this more explicit annotation. A paid link marked only nofollow risks being misinterpreted, especially if the context is unclear. It’s better to combine: rel="nofollow sponsored".

  • Accept nofollow links from authoritative sites for traffic and diversity.
  • Check your dofollow/nofollow ratio with Ahrefs or Majestic every quarter.
  • Avoid nofollow on strategic internal links (navigation, thematic interlinking).
  • Use rel="sponsored" for affiliate links and rel="ugc" for user-generated content.
  • Monitor massive link profile changes via Search Console.
  • Never pay for nofollow links unless the goal is strictly qualified traffic.
Nofollow links do not transmit direct PageRank, but their indirect value (traffic, discoverability, natural profile) remains significant. A complete audit of your link strategy must integrate these nuances. These fine-tuning optimizations, between technical analysis and algorithmic interpretation, can quickly become time-consuming. If you lack time or internal resources, considering support from a specialized SEO agency can secure your link profile and exploit every available lever without risk of penalty.

❓ Frequently Asked Questions

Un lien nofollow aide-t-il quand même à l'indexation d'une page ?
Oui, Google peut suivre un lien nofollow pour découvrir et indexer la page cible, même si aucun PageRank n'est transmis. C'est particulièrement utile pour les nouvelles pages sans autre backlink.
Les liens nofollow des réseaux sociaux ont-ils un impact SEO indirect ?
Indirectement oui : un contenu viral génère du trafic, des signaux utilisateurs positifs et peut déclencher des backlinks dofollow secondaires depuis des blogs ou médias. Le lien social lui-même ne transmet pas de PageRank.
Faut-il mettre du nofollow sur tous les liens affiliés ?
Google recommande désormais d'utiliser rel="sponsored" ou rel="nofollow sponsored". Un lien affilié dofollow sans annotation risque d'être interprété comme manipulation de liens.
Un profil de liens 100% dofollow est-il suspect pour Google ?
Oui, un profil naturel contient toujours un pourcentage de liens nofollow (commentaires, réseaux sociaux, certains médias). Un ratio 100% dofollow peut déclencher un examen manuel.
Peut-on combiner plusieurs attributs de lien (nofollow + sponsored) ?
Oui, Google accepte et recommande même de combiner les attributs quand c'est pertinent : rel="nofollow sponsored" pour un lien payant, par exemple. Séparez les valeurs par un espace.
🏷 Related Topics
Domain Age & History Discover & News AI & SEO Links & Backlinks

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