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Official statement

Links from forums are considered regular links by Google, as long as they are not nofollow.
45:12
🎥 Source video

Extracted from a Google Search Central video

⏱ 53:02 💬 EN 📅 12/06/2017 ✂ 10 statements
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Official statement from (8 years ago)
TL;DR

Google claims that links from forums are considered regular links, provided they are not nofollow. This statement confirms that forums can pass on PageRank and influence ranking. For an SEO, this means that active participation in quality forums can have a real impact, but the relevance and quality of the context remain crucial.

What you need to understand

Does Google really treat forum links like traditional backlinks?

John Mueller's statement is clear: forum links are treated as regular links by Google's algorithm. This assertion puts to rest a long-standing debate in the SEO community.

In practical terms, if a link in a forum does not have the nofollow attribute, Google may consider it to pass on PageRank and assess a page's authority. This positions forums on par with other sources of backlinks, provided the link is dofollow.

Why is this clarification about nofollow important?

Most modern forum platforms automatically add the nofollow attribute to links posted by users, specifically to avoid spam and SEO manipulation. This has been a common practice since the war against link spam that defined the 2010s.

Google acknowledges that nofollow completely neutralizes the SEO value of a forum link. If the link is nofollow, there is no PageRank transfer, no authority signals captured. The link becomes purely functional for the user, with no impact on SEO.

How does this differ from other types of links?

In theory, there is no difference. Google states that a dofollow forum link carries the same weight as a standard editorial link. However, in practice, several factors come into play: the quality of the forum, thematic relevance, the context of publication, and particularly the detection of spam patterns.

An isolated link, posted naturally in a relevant discussion on an active, moderated forum, will likely be viewed positively. In contrast, dozens of identical links posted on ghost forums will raise alerts in Google's anti-spam systems.

  • A dofollow forum link can pass on PageRank, just like a standard editorial link
  • Most modern forums use nofollow by default on user links, neutralizing their SEO impact
  • The quality of the forum and the context of publication influence the actual value of the link, regardless of the nofollow attribute
  • Spam patterns are easily detectable, and Google can devalue or ignore suspicious forum links even if they are dofollow
  • Relevant niche forums can offer more value than saturated general platforms

SEO Expert opinion

Is this statement consistent with ground observations?

Yes, but with important nuances. Forum links do have a measurable impact when they are dofollow and come from quality platforms. We regularly observe rank changes after obtaining links from authoritative forums in specialized niches.

The issue is that finding relevant dofollow forums has become extremely difficult. Most serious platforms have switched to nofollow long ago. The rare exceptions are often niche forums that are very closed, where obtaining a link requires authentic and sustained participation.

What risks does this statement imply?

Google does not specify how it differentiates a legitimate forum link from a spam link. This is where the problem arises. If you deploy an aggressive strategy to create profiles and posts containing links on dofollow forums, you risk a manual or algorithmic penalty.

Patterns are easy to spot: newly created profiles, first post containing a link, generic messages, link-laden signatures. Google has vast amounts of data to identify these behaviors. [To be verified] The exact weighting Google gives to forum links compared to other sources remains unclear.

When does this rule not really apply?

If the forum is a widely acknowledged spam hub by Google, even a dofollow link will likely have no effect. Google maintains lists of devalued or ignored domains, and poorly moderated forums often appear on those lists.

Similarly, if your participation in the forum is clearly artificial, Google may apply a local filter to your links specifically, even if the forum itself is not blacklisted. The notion of a "normal link" implies a natural context, not just the absence of nofollow.

Warning: Do not confuse "considered link" with "link having a positive impact". Google can very well detect a dofollow forum link, analyze it, and decide that it adds no value or even that it is suspicious. Merely being dofollow guarantees nothing.

Practical impact and recommendations

Should you invest time in forums to gain backlinks?

It entirely depends on your niche and your ability to participate authentically without spam intent. If you spot an active, relevant, dofollow forum well moderated for your theme, then yes, regular presence can yield quality links.

On the other hand, creating 50 accounts on obscure forums just to drop links is a waste of time and an unnecessary risk. Google has been detecting these tactics for over a decade. The return on investment is nearly zero, and the risk of penalty exists.

How can you identify forums that really pass on PageRank?

Inspect the source code of discussion pages to check for the absence of nofollow on user links. Use a tool like Screaming Frog or a browser extension to automate this verification across several forums.

Then, assess the quality of the forum itself: domain age, volume of active discussions, visible moderation, absence of obvious spam. A dofollow forum that is dead or overrun with spam will bring nothing. Favor vibrant communities where genuine exchanges occur.

What mistakes should you absolutely avoid?

Never post a link in your first message. First, build a credible presence by participating in several discussions without a commercial agenda. A profile with 20 useful posts will have infinitely more credibility than a profile created yesterday with a link in the signature.

Avoid over-optimized anchors. If you post a link, use natural, varied, contextual anchors. An anchor like "best CRM software for SMEs" in a generic post will be immediately suspicious. Integrate the link seamlessly into content that genuinely adds value.

  • Check the nofollow attribute on links before investing time in a forum
  • Analyze the quality of the forum: age, activity, moderation, absence of visible spam
  • Create a complete and credible profile before posting any links
  • Participate authentically in several discussions without an initial commercial agenda
  • Use natural and varied anchors, never over-optimized or repetitive
  • Limit the frequency of posts containing links to avoid suspicious patterns
Forum links can indeed transmit PageRank when they are dofollow, but obtaining them requires an authentic approach and a careful selection of platforms. Niche forums remain the most rewarding. If this analysis and its practical implementation seem complex to deploy on your own, working with a specialized SEO agency can save you time and avoid costly mistakes in your linking strategy.

❓ Frequently Asked Questions

Un lien de forum en nofollow a-t-il une quelconque valeur SEO ?
Non, selon cette déclaration de Google, un lien nofollow dans un forum ne transmet aucun PageRank. Il peut générer du trafic direct si le forum est actif, mais n'influence pas le classement.
Comment savoir si les liens d'un forum sont en dofollow ou nofollow ?
Inspectez le code source HTML d'une page de discussion et cherchez l'attribut rel="nofollow" sur les liens postés par les utilisateurs. Vous pouvez aussi utiliser des extensions navigateur comme NoFollow ou des crawlers SEO.
Les signatures de forum ont-elles le même poids que les liens dans les posts ?
Google ne fait pas de distinction officielle, mais les signatures sont souvent plus facilement identifiables comme spam. Un lien contextuel dans un post pertinent aura généralement plus de crédibilité.
Combien de temps faut-il attendre avant de poster un lien sur un forum ?
Il n'y a pas de durée magique, mais un profil crédible devrait avoir participé à plusieurs discussions (au moins 10-15 posts utiles) avant d'introduire un lien. Cela peut prendre plusieurs semaines.
Les forums étrangers peuvent-ils transmettre du PageRank vers un site français ?
Oui, si le lien est dofollow et que le forum est de qualité. La pertinence thématique compte plus que la langue, mais un forum français apportera généralement un contexte plus cohérent pour un site français.
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