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Official statement

Using rel="nofollow" on login pages or pages considered less important, such as terms and conditions pages, generally does not harm, as it does not prevent Googlebot from exploring them. However, it is often advised to let PageRank flow unless you have a specific reason to prevent these pages from being discovered.
1:04
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Extracted from a Google Search Central video

⏱ 2:06 💬 EN 📅 30/09/2013 ✂ 3 statements
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Other statements from this video 2
  1. 0:33 Faut-il vraiment bannir le nofollow sur vos liens internes ?
  2. 1:35 Faut-il vraiment mettre rel="nofollow" sur tous les liens externes non fiables ?
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Official statement from (12 years ago)
TL;DR

Google claims that using nofollow on login pages or secondary pages (terms and conditions, legal notices) is not harmful, as Googlebot can still crawl them. However, Mountain View advises to let PageRank flow unless there is a specific reason. In practice, this vague stance hides a reality: blocking these pages from the index is often more relevant than a simple nofollow.

What you need to understand

Why does Google distinguish between crawling and PageRank flow?

Google's statement relies on a fundamental distinction: crawling and PageRank transfer are two independent mechanisms. A nofollow link does not prevent Googlebot from following the URL and discovering the target page; it just blocks the transfer of SEO juice.

This nuance explains why Google claims that nofollow on a login page is not detrimental. The bot can still access this URL through other paths (XML sitemap, external links, direct navigation). Thus, nofollow does not create a blind spot in your architecture.

Which pages are affected by this recommendation?

Google specifically targets functional pages without intrinsic SEO value: login forms, terms and conditions, legal notices, cookie policy, post-purchase confirmation pages. These URLs consume crawl budget without bringing in organic traffic.

The issue is that this categorization remains subjective. A “My Account” page may contain reassuring elements useful for conversion, even if it is not intended to rank. The boundary between “secondary” and “strategic” depends on your model.

What does “letting PageRank flow” mean in this context?

By removing the nofollow, you allow a natural redistribution of SEO juice to pages that generate no organic ROI. On a site with 10,000 URLs, every internal link counts. Diluting PageRank across 50 legal pages weakens the strategic pages.

Google never specifies the threshold at which this dilution becomes problematic. The lack of quantification makes the recommendation inapplicable as it stands. A site with 100 pages can afford this flow; a marketplace with 500,000 URLs cannot.

  • Nofollow blocks the transfer of PageRank, not Googlebot's crawling
  • Secondary pages = login, terms and conditions, legal notices, confirmations
  • Letting juice flow dilutes the PageRank of strategic pages
  • Google provides no numerical threshold to arbitrate this decision
  • The recommendation completely ignores the issue of crawl budget

SEO Expert opinion

Is Google’s position consistent with real-world observations?

No, and this is where the official discourse diverges from practice. The majority of high-performing SEO sites use robots.txt or noindex on their secondary pages, not nofollow on internal links. Why? Because nofollow only addresses half the problem.

If you nofollow a link to /login but leave the page indexable, Google can still index it through other paths. Result: you block PageRank but not the pollution of the index. This is the worst of both worlds. Sites that really rank well completely block indexing (noindex or disallow) rather than juggle with nofollow.

What nuances does Google intentionally omit?

This statement completely ignores the impact on crawl budget. Allowing Googlebot to freely explore 200 terms and conditions pages translated into 15 languages takes away resources for crawling your freshly updated product sheets. [To verify]: Google has never published data quantifying this loss of efficiency.

Another blind spot: the deliberate de-optimization of the index. An indexed /my-account page with 0 backlinks and 0 user engagement sends negative quality signals. Google knows this but never admits it publicly. Audits, however, show that cleaning up these pages often improves the ranking of strategic URLs.

In what cases is this recommendation still relevant?

For very small sites (fewer than 100 pages) with a simple internal structure, letting PageRank flow costs almost nothing. If your WordPress blog has 30 articles and 5 legal pages, the nofollow is indeed superfluous.

But as soon as you manage an e-commerce site, a comparison site, a directory, or media with thousands of URLs, the logic reverses. Every PageRank point counts. Sites that dominate their SERPs apply a brutal rule: if a page does not generate organic traffic, it gets removed from the index. Period.

Caution: Google presents this recommendation as universal when it only applies to small sites with flat architecture. On complex infrastructures, following this advice to the letter dilutes your SEO authority without measurable return.

Practical impact and recommendations

What actions should you take on these secondary pages?

Forget nofollow on internal links; block indexing directly with noindex or robots.txt. A noindex in the meta tag keeps the page crawlable (useful for Googlebot following user paths) while removing it from the index. It’s cleaner and more effective.

For login pages, always add a meta robots noindex,nofollow tag in the <head>. For terms and conditions and legal notices, ensure they do not accumulate unwanted backlinks (sometimes directories scrape them). If they do, immediate noindex.

How do you identify pages that truly deserve blocking?

Export your indexed URLs via Google Search Console, cross-reference them with your Analytics data. Any page with 0 organic clicks over 12 months and 0 impressions is a candidate for noindex. Exceptions: transactional pages (cart, checkout) which are already blocked by default.

Scan your internal linking with Screaming Frog or Oncrawl. Identify pages that receive more than 10 internal links without generating SEO value. These links dilute your PageRank unnecessarily. You can either set them to nofollow (a weak solution) or restructure your navigation to isolate them in a minimalist footer.

What mistakes should you avoid during this optimization?

Never block a page in robots.txt AND with noindex simultaneously. Robots.txt prevents Googlebot from seeing the noindex tag, resulting in the page remaining indexed with a “Description not available” snippet. It’s worse than doing nothing.

Second pitfall: reflexively nofollow all your footer links. Some footer links (Sitemap, Contact, About) have real SEO value. Handle each link on a case-by-case basis, not with a bulldozer. A generic footer with 40 nofollowed links looks like an attempt to manipulate; Google is not fooled.

  • Apply noindex,nofollow in the meta tag on all login pages and user forms
  • Check in Search Console that terms and conditions, legal notices, cookie policies generate no organic clicks over 12 months
  • Block in robots.txt the /account/, /user/, /member/ directories if you manage a high-volume site
  • Audit your internal linking to identify pages receiving more than 10 links without SEO value
  • Never combine robots.txt + noindex on the same URL (the bot will never see the tag)
  • Keep pages like Contact, About, Sitemap indexed if they generate organic impressions
Google's recommendation on nofollow is technically correct but strategically weak. In practice, blocking indexing (noindex) always outperforms simple nofollow on secondary pages. This approach requires a thorough audit of your architecture and your internal PageRank flows. If your site exceeds 1,000 URLs or if you lack visibility on your links, these optimizations become complex to orchestrate alone. A specialized SEO agency can map your internal PageRank, identify juice leaks, and restructure your crawl budget to maximize the indexing of strategic pages.

❓ Frequently Asked Questions

Le nofollow sur un lien interne empêche-t-il vraiment Googlebot d'explorer la page cible ?
Non. Googlebot peut découvrir et explorer une page via d'autres chemins (sitemap XML, liens externes, navigation). Le nofollow bloque uniquement le transfert de PageRank, pas l'exploration.
Vaut-il mieux utiliser nofollow ou noindex sur les pages de connexion ?
Noindex est plus efficace car il retire la page de l'index tout en laissant Googlebot la crawler pour comprendre l'architecture du site. Nofollow sur les liens internes ne contrôle que le PageRank, pas l'indexation.
Peut-on bloquer les CGV en robots.txt sans impact négatif ?
Oui, à condition qu'elles ne contiennent aucune information stratégique pour le SEO. Attention : robots.txt empêche Googlebot de lire une éventuelle balise noindex, la page peut rester indexée avec snippet vide.
Combien de liens internes en nofollow avant que Google ne soupçonne une sur-optimisation ?
Google ne communique aucun seuil. En pratique, un footer avec 100% de liens nofollowés ressemble à une manipulation. Traitez chaque lien selon sa valeur réelle, pas par défaut.
Les pages Mon compte indexées nuisent-elles au SEO global du site ?
Oui, indirectement. Elles consomment du crawl budget, diluent le PageRank et polluent l'index avec du contenu 0 valeur. Les audits montrent que leur désindexation améliore souvent le ranking des pages stratégiques.
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