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

Nofollow links do not pass PageRank. Their presence does not mean a site is of poor quality and does not have a negative effect on ranking. They simply inform Google that a link should not be considered for PageRank.
9:09
🎥 Source video

Extracted from a Google Search Central video

⏱ 1h00 💬 EN 📅 14/08/2015 ✂ 9 statements
Watch on YouTube (9:09) →
Other statements from this video 8
  1. 2:12 Faut-il vraiment utiliser un 404 pour les pages sans résultats de recherche ?
  2. 4:17 Pourquoi Googlebot recrawle-t-il obstinément vos pages 404 ?
  3. 10:42 Google Analytics influence-t-il vraiment le classement de vos pages ?
  4. 13:12 Peut-on lancer un site 100% mobile sans version desktop et ranker sur Google ?
  5. 15:59 Le lazy loading tue-t-il vraiment l'indexation de vos pages ?
  6. 20:04 Les signaux sociaux influencent-ils vraiment le classement Google ?
  7. 21:37 Le cache HTTP impacte-t-il vraiment le classement dans Google ?
  8. 45:08 Google ignore-t-il vraiment vos balises canonicals quand ça l'arrange ?
📅
Official statement from (10 years ago)
TL;DR

Google confirms that nofollow links do not pass any PageRank, but their presence is not a negative signal for ranking. This statement clarifies a common misunderstanding: having nofollows in your link profile is not penalizing in itself. Specifically, a website can benefit from a natural mix of follow and nofollow links without fearing a negative impact on its positioning.

What you need to understand

What does not passing PageRank really mean?

PageRank remains the foundation of Google's ranking system, even though its use has evolved since the early days of the engine. When a link carries the nofollow attribute, Google considers that it should not be included in the calculation of authority transfer between pages. This is an explicit instruction given to the crawler.

In practice, this means that if 100 sites link to you with nofollow links, you gain no direct "SEO juice" from those links. Your site does not rise in the rankings because of them. The PageRank flowing through the web graph completely ignores these connections when calculating authority.

Why does Google emphasize the absence of a negative effect?

This clarification addresses a recurring concern among SEOs: that a link profile with too many nofollows might be interpreted as suspicious. Some practitioners fear that a high proportion of nofollow links signals to Google an "artificial" profile or manipulation attempts that would be detected and neutralized by webmasters themselves.

Mueller is clear: the presence of nofollow does not send any signal of poor quality. A site with 80% nofollow links is not considered less trustworthy than another. Google focuses on the links that matter (the follow ones) and simply ignores the others without any malice.

In what contexts do we find nofollow links?

Blog comments, forum profiles, links from widgets or sponsored content often contain nofollow by default. This is a protective measure against spam and abusive link-building practices. Platforms like Facebook, Wikipedia, or Reddit also heavily use nofollow.

A natural link profile thus mechanically includes a portion of nofollow, simply because some types of mentions occur on platforms that enforce this policy. Seeking a 100% follow profile would be suspicious in itself, as it appears artificially selective.

  • Nofollow links do not impact PageRank calculation
  • Their presence is never interpreted as a negative signal by Google
  • A natural link profile always contains a proportion of nofollow
  • Major platforms (social networks, forums, Wikipedia) heavily utilize nofollow
  • Google ignores these links for ranking, without trying to "punish" them

SEO Expert opinion

Is this statement consistent with field observations?

In principle, yes. No serious case study has ever demonstrated that adding nofollow links to an existing profile resulted in a drop in ranking. Mass disavowal tests of nofollow links have never produced improvements either. The theory is validated by observable facts.

What remains unclear is the boundary between "not passing PageRank" and "having no SEO utility at all." Google introduced ugc and sponsored attributes alongside nofollow, and now refers to them as "hints" rather than strict directives. This suggests that some nofollow links could still be analyzed for other signals: context, anchors, thematic relevance. [To be verified]

What nuances should we add to this official position?

First point: saying that a nofollow link "has no effect" does not mean it is useless. A nofollow link from a high-traffic site can generate qualified visits, visibility, and positive behavioral signals. These indirect effects count for SEO, even if the direct PageRank is zero.

The second point: the statement says nothing about UGC or sponsored links, which are treated differently. Google claims that these attributes are now "hints" rather than absolute guidelines. This means a sponsored link could theoretically transmit a signal if Google deems it reflects a legitimate editorial recommendation. However, no public data allows us to quantify this nuance. [To be verified]

In what cases might this rule not fully apply?

If a site suddenly receives thousands of nofollow links from spam networks, Google might interpret this pattern as a global warning signal about the profile. Not because of the nofollow itself, but because these domains are known for dubious practices. Nofollow protects from negative PageRank, but not necessarily from being associated with toxic sources.

Another edge case: internal nofollow links. If you set all your internal links to nofollow, you block the flow of internal PageRank and sabotage your crawl budget. Mueller's statement pertains to incoming external links, not internal architecture. Applying nofollow extensively internally remains a significant technical error.

Warning: this statement does not cover cases where nofollow is used to manipulate internal PageRank (PageRank sculpting). Google has explicitly stated in the past that this technique no longer works as it did before, as PageRank is now "evaporated" rather than redistributed.

Practical impact and recommendations

Should you remove nofollow links from your backlink profile?

No, and it is even counterproductive. If you have natural nofollow links from legitimate sites (Wikipedia, niche forums, social networks), keeping them strengthens the credibility of your profile. A profile that is too "clean", with only carefully selected follow links, may appear artificial.

Do not waste time disavowing nofollow links or trying to convert them into follow links. Focus your energy on acquiring new quality follow links. The nofollow links present do not harm you; they are simply neutral regarding PageRank.

How can you optimize your link-building strategy after this clarification?

Prioritize follow link opportunities from thematically relevant domains with real authority. Guest posts, editorial partnerships, and mentions in specialized press remain your best leverage. However, do not reject a nofollow placement if it brings qualified traffic.

Diversify your sources: a mix of links from blogs, media, niche directories (in follow), complemented by relevant social mentions and comments (in nofollow) creates a balanced profile. Google expects natural behavior, not a manic optimization of every link.

What mistakes should be avoided in managing link attributes?

Do not place nofollow on your strategic internal links. This is the most costly mistake. Your important pages need to receive internal PageRank to rank effectively. Reserve nofollow for outgoing links to sites you do not want to endorse (user comments, advertising links).

Avoid overloading your editorial outgoing links with nofollow out of paranoia. If you cite a credible source in an article, a follow link is legitimate. Google values content that is part of a network of reliable references. A site that never links to anything in follow appears isolated and uncollaborative.

  • Audit your internal links to identify any unintended nofollow links blocking PageRank
  • Keep your natural nofollow backlinks without seeking to remove them
  • Concentrate your acquisition efforts on follow links from relevant domains
  • Use sponsored and ugc attributes correctly to comply with guidelines
  • Stop sculpting PageRank with nofollow; this technique is obsolete
  • Accept nofollow placements if they generate qualified traffic and visibility
In summary: nofollow links do not penalize you, but they do not help with PageRank either. Your strategy should primarily target quality follow links while accepting a naturally mixed profile. Fine-tuning your link profile, especially managing attributes and auditing internal linking, often requires sharp technical expertise. If your backlink profile is complex or if you notice inconsistencies in your PageRank transmission, a specialized SEO agency can conduct a thorough audit and develop a link-building strategy tailored to your sector.

❓ Frequently Asked Questions

Un site avec 90% de liens nofollow peut-il quand même bien se positionner ?
Oui, si les 10% de liens follow restants proviennent de sources autoritaires et pertinentes. Google ne regarde que les liens qui transmettent du PageRank, la proportion de nofollow n'est pas un critère de classement en soi.
Les liens nofollow depuis les réseaux sociaux ont-ils une utilité SEO indirecte ?
Absolument. Ils génèrent du trafic, renforcent la notoriété de la marque, et peuvent déclencher des partages qui mènent à des liens follow. Les signaux comportementaux (taux de clic, temps sur site) issus de ce trafic comptent aussi pour Google.
Faut-il mettre tous mes liens sortants en nofollow pour garder mon PageRank ?
Non, cette pratique de PageRank sculpting est obsolète. Google évapore désormais le PageRank qui aurait été transmis via un nofollow. Lier des sources de qualité en follow est même positif pour votre crédibilité éditoriale.
Les attributs UGC et sponsored remplacent-ils le nofollow ?
Ils le complètent. Google recommande d'utiliser sponsored pour les liens payés et ugc pour les contenus générés par les utilisateurs. Le nofollow reste valide et peut être combiné avec ces attributs pour plus de précision.
Un concurrent peut-il me nuire en créant des milliers de liens nofollow spam vers mon site ?
Non, puisque ces liens ne transmettent aucun PageRank et ne sont pas considérés comme des signaux négatifs. Le negative SEO via des liens nofollow est inefficace. Google les ignore simplement.
🏷 Related Topics
Domain Age & History AI & SEO Links & Backlinks

🎥 From the same video 8

Other SEO insights extracted from this same Google Search Central video · duration 1h00 · published on 14/08/2015

🎥 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.