Official statement
Other statements from this video 49 ▾
- 1:38 Google suit-il vraiment les liens HTML masqués par du JavaScript ?
- 1:46 JavaScript peut-il masquer vos liens aux yeux de Google sans les détruire ?
- 3:43 Faut-il vraiment optimiser le premier lien d'une page pour le SEO ?
- 3:43 Google combine-t-il vraiment les signaux de plusieurs liens pointant vers la même page ?
- 5:20 Les liens site-wide dans le menu et le footer diluent-ils vraiment le PageRank de vos pages stratégiques ?
- 6:22 Faut-il vraiment nofollow les liens site-wide vers vos pages légales pour optimiser le PageRank ?
- 7:24 Faut-il vraiment garder le nofollow sur vos liens footer et pages de service ?
- 10:10 Search Console Insights sans Analytics : pourquoi Google rend-il impossible l'utilisation solo ?
- 11:08 Le nofollow influence-t-il encore le crawl sans transmettre de PageRank ?
- 11:08 Le nofollow bloque-t-il vraiment l'indexation ou Google crawle-t-il quand même ces URLs ?
- 13:50 Pourquoi Google refuse-t-il de communiquer sur tous ses incidents d'indexation ?
- 15:58 Faut-il vraiment indexer toutes les pages paginées pour optimiser son SEO ?
- 15:59 Faut-il vraiment indexer toutes les pages de pagination pour optimiser son SEO ?
- 19:53 Les paramètres d'URL sont-ils encore un problème pour le référencement naturel ?
- 19:53 Les paramètres d'URL sont-ils vraiment devenus un non-sujet SEO ?
- 21:50 Google bloque-t-il vraiment l'indexation des nouveaux sites ?
- 23:56 Les liens dans les tweets embarqués influencent-ils vraiment votre SEO ?
- 25:33 Les sitemaps sont-ils vraiment indispensables pour l'indexation Google ?
- 26:03 Comment Google découvre-t-il vraiment vos nouvelles URLs ?
- 27:28 Pourquoi Google impose-t-il un canonical sur TOUTES les pages AMP, même standalone ?
- 27:40 Le rel=canonical est-il vraiment obligatoire sur toutes les pages AMP, même standalone ?
- 28:09 Faut-il vraiment déployer hreflang sur l'intégralité d'un site multilingue ?
- 28:41 Faut-il vraiment implémenter hreflang sur toutes les pages d'un site multilingue ?
- 29:08 AMP est-il vraiment un facteur de vitesse pour Google ?
- 29:16 Faut-il encore miser sur AMP pour optimiser la vitesse et le ranking ?
- 29:50 Pourquoi Google mesure-t-il les Core Web Vitals sur la version de page que vos visiteurs consultent réellement ?
- 30:20 Les Core Web Vitals mesurent-ils vraiment ce que vos utilisateurs voient ?
- 31:23 Faut-il manuellement désindexer les anciennes URLs de pagination après un changement d'architecture ?
- 31:23 Faut-il vraiment désindexer manuellement vos anciennes URLs de pagination ?
- 32:08 La pub sur votre site tue-t-elle votre SEO ?
- 32:48 La publicité sur un site nuit-elle vraiment au classement Google ?
- 34:47 Le rel=canonical en syndication est-il vraiment fiable pour contrôler l'indexation ?
- 34:47 Le rel=canonical protège-t-il vraiment votre contenu syndiqué du vol de ranking ?
- 38:14 Les alertes de sécurité dans Search Console bloquent-elles vraiment le crawl de Google ?
- 38:14 Un site hacké perd-il son crawl budget suite aux alertes de sécurité Google ?
- 39:20 Les liens dans les guest posts ont-ils vraiment perdu toute valeur SEO ?
- 39:20 Les liens issus de guest posts ont-ils vraiment une valeur SEO nulle ?
- 40:55 Pourquoi Google ignore-t-il les dates de modification identiques dans vos sitemaps ?
- 40:55 Pourquoi Google ignore-t-il les dates lastmod de votre sitemap XML ?
- 42:00 Faut-il vraiment mettre à jour la date lastmod du sitemap à chaque modification mineure ?
- 42:21 Un sitemap mal configuré réduit-il vraiment votre crawl budget ?
- 43:00 Un sitemap mal configuré peut-il vraiment réduire votre crawl budget ?
- 44:34 Faut-il vraiment choisir entre réduction du duplicate content et balises canonical ?
- 44:34 Faut-il vraiment éliminer tout le duplicate content ou miser sur le rel=canonical ?
- 45:10 Faut-il vraiment configurer la limite de crawl dans Search Console ?
- 45:40 Faut-il vraiment laisser Google décider de votre limite de crawl ?
- 47:08 Les redirections 301 en interne diluent-elles vraiment le PageRank ?
- 49:53 L'History API JavaScript peut-elle vraiment forcer Google à changer votre URL canonique ?
- 49:53 JavaScript et History API : Google peut-il vraiment traiter ces changements d'URL comme des redirections ?
Google states that chains of internal 301 redirects do not dilute link value: the engine tracks the entire chain and treats the link as pointing directly to the final destination (the canonical). Users arriving from SERPs go straight to the canonical, without passing through the redirects. The only limitation: beyond 5 consecutive redirects, Google requires a second crawl to reach the destination.
What you need to understand
Why does this statement challenge an entrenched SEO belief?
For years, the idea that a chain of 301 redirects gradually weakens PageRank has been established as an absolute truth. Many practitioners have incorporated this notion into their audits: each successive redirect would incur a percentage loss of juice, much like a leak in plumbing.
Mueller's statement sharply breaks this certainty. Google claims that the internal link is treated as pointing directly to the canonical, regardless of the length of the intermediate chain. In other words, if your internal linking points to URL A that redirects to B then C, Google counts the link as going from your source page to C, without any loss.
How does Google manage these redirects for the end user?
The crucial point here is that the user never follows the chain. When someone clicks on your result in SERPs, Google sends them directly to the canonical, not to the redirecting URL. This is an engine-side optimization to avoid unnecessary latencies and improve user experience.
For the internal crawl, it's different. Googlebot does indeed follow the chain to discover and validate the canonical. But this mechanic does not affect the transmission of link value — this is a crucial nuance that many confuse with a loss of juice.
What is the technical limit mentioned by Mueller?
Google sets a boundary at 5 consecutive redirects. Beyond this threshold, the engine no longer follows the chain in a single crawl: it requires a second pass to reach the final destination. This does not mean a loss of value, but rather a potential delay in discovering and indexing the canonical.
This limit is purely technical — it concerns the crawl budget and Googlebot's ability to process complex chains in real-time. For a site with a tight crawl budget, this delay could be problematic: the final page will take longer to be indexed and regain link authority.
- Internal 301 redirects do not weaken link value — Google treats the link as pointing directly to the canonical.
- The user coming from SERPs never traverses the redirects — they access the canonical directly for an optimal experience.
- Beyond 5 redirects, a second crawl is necessary — this slows down discovery but does not dilute SEO juice.
- The confusion arises from the difference between crawling and value transmission — following a chain does not mean losing PageRank.
SEO Expert opinion
Is this statement consistent with real-world observations?
Let's be honest: Mueller's claim contradicts some empirical tests conducted by SEOs for years. Several experiments have shown that a chain of redirects lengthens the time before a page regains its full authority, especially after a migration. This time lag has often been interpreted as a loss of juice — when it may simply be a slowing of the consolidation process.
Google's statement focuses on the theoretical principle: no intrinsic loss of value. But it does not dismiss the practical side effects: a wasted crawl budget following chains, an extended indexing delay, temporary fragmentation of relevance signals. These nuances are not mentioned — and that's where it falters.
What gray areas remain in this explanation?
Mueller does not clarify what exactly happens during the second crawl required after 5 redirects. Does the link's value remain pending until Googlebot reaches the canonical? Or does Google apply preventive treatment by following the declared canonical in the headers, even before crawling the final URL? [To verify]
Another unclear point: Mueller speaks of internal redirects, but what about mixed chains, where an internal redirect points to an external redirect (like a CDN or a partner domain)? Does the logic remain strictly the same, or does Google apply different weighting for domain jumps? No concrete details in the statement.
Should we ignore cleaning up redirect chains?
Absolutely not. Even if Google claims it does not dilute link value, allowing redirect chains to linger is a bad practice. Each jump consumes crawl budget, potentially slows down discovery of the canonical, and unnecessarily complicates the site's architecture. For users who do not come from Google (direct navigation, external links, social networks), each redirect adds latency.
The real practical conclusion is: cleaning up redirect chains is not a top SEO priority if your crawl budget is large and your canonical pages are clearly identified. But for a site with thousands of pages, a tight crawl budget, or recurring migrations, it's an essential hygiene task.
Practical impact and recommendations
What should you do if your site contains redirect chains?
First step: audit the extent of the issue. Use a crawler (Screaming Frog, Oncrawl, Sitebulb) to identify all active redirect chains on your site. Filter out those that exceed 2 hops — these are the ones that consume the most crawl budget unnecessarily, even if they do not dilute SEO value in a strict sense.
Next, prioritize cleanup based on available crawl budget. If Google is crawling your site massively every day, it's not urgent. If your crawl budget is tight and some pages take weeks to be discovered, then reducing redirect chains will free up resources to crawl fresh or strategic content.
What mistakes should you avoid when fixing chains?
Do not fall into the trap of brutal cleaning without checking canonicals. Before shortening a chain, ensure that the final destination aligns with the canonical declared in the headers and in the HTML. Otherwise, you risk creating signal conflicts that will delay indexing.
Another common mistake: neglecting to update internal linking after correction. If you remove a chain but your internal links still point to the old URL, you haven't solved anything on the crawl side. Automate the update of internal links to point directly to the canonicals — that's where the real gain happens.
How can you check if Google handles your redirects as expected?
Use Search Console to analyze inspected URLs. Check that Google properly identifies the final canonical, not an intermediate URL from the chain. If you find that Google indexes a redirect URL rather than the canonical, it's a signal that something is wrong — missing canonical header, signal conflicts, or too long of a chain.
Also monitor the crawl rate in server logs. If Googlebot spends disproportionate time following redirects rather than crawling fresh content, it's a clear indicator that your redirect chains are polluting your budget. Even without loss of juice, it's a waste of resources that needs to be corrected.
- Crawl the entire site to identify all redirect chains longer than 2 hops.
- Prioritize cleaning based on available crawl budget and the crawling frequency of affected pages.
- Check that each declared canonical aligns with the final destination of the chain before any modifications.
- Automatically update internal linking to point directly to the canonicals, bypassing redirects.
- Inspect URLs in Search Console to confirm that Google identifies the correct canonical.
- Analyze server logs to detect a crawl budget waste related to redirects.
❓ Frequently Asked Questions
Une chaîne de redirections 301 internes fait-elle vraiment perdre du PageRank ?
Que se passe-t-il si ma chaîne de redirections dépasse 5 sauts ?
L'utilisateur venant de Google suit-il les redirections internes ?
Dois-je encore nettoyer mes chaînes de redirections après cette déclaration ?
Cette règle s'applique-t-elle aussi aux redirections 302 ou aux domaines externes ?
🎥 From the same video 49
Other SEO insights extracted from this same Google Search Central video · duration 55 min · published on 21/08/2020
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