Official statement
Other statements from this video 13 ▾
- 0:36 La vitesse de chargement est-elle vraiment un facteur de classement Google ou juste un mythe SEO ?
- 2:08 Pourquoi Googlebot ralentit-il son crawl sur votre site et comment l'éviter ?
- 3:51 Le rendu côté serveur JavaScript est-il vraiment un levier SEO sous-estimé ?
- 4:37 Faut-il vraiment traiter Googlebot comme un visiteur lambda dans vos tests A/B ?
- 7:19 Faut-il vraiment bloquer les interstitiels pays pour Googlebot ?
- 15:43 Le lazy loading retarde-t-il vraiment l'indexation de votre contenu ?
- 20:45 Le format d'URL a-t-il un impact sur le classement Google ?
- 21:43 Comment Google choisit-il dynamiquement les formats de résultats pour chaque requête ?
- 28:40 Les balises canonical et noindex dans les en-têtes HTTP fonctionnent-elles vraiment comme celles en HTML ?
- 31:09 L'outil Paramètres URL de Google remplace-t-il vraiment le robots.txt pour contrôler le crawl ?
- 41:21 Hreflang : faut-il absolument traduire toutes vos pages pour éviter de perdre du trafic international ?
- 47:00 Les PWA posent-elles un vrai problème de crawl et d'indexation pour Google ?
- 53:40 Les pop-ups RGPD pénalisent-ils vraiment votre indexation Google ?
Google automatically processes information from old redirects without requiring manual 410 interventions. The display of old URLs in the info: query is normal behavior that does not penalize SEO. In practice, there is no need to panic about these technical artifacts: focus on the consistency of your redirect architecture rather than obsessively cleaning up old traces.
What you need to understand
Why do we still see old URLs in the info: query?
The info: command sometimes displays outdated URLs that have been redirected or even removed a long time ago. This phenomenon creates legitimate confusion among SEO practitioners who see it as a sign of problematic residual indexing.
Google retains historical traces from its crawl. These data persist in certain systems even after 301 redirects are implemented. This does not mean that these old URLs are still indexed or actively contributing to rankings.
How does Google actually manage redirect chains?
The engine gradually consolidates signals (backlinks, PageRank, authority) to the end destination of a redirect chain. This process takes time and varies depending on the site's crawl frequency.
Updating internal indexes does not happen instantly. Google maintains several layers of data (primary index, secondary index, historical caches) that do not all synchronize at the same speed.
Old URLs may remain visible in certain interfaces (Search Console, advanced queries) without negatively impacting SEO. These are technical artifacts rather than active issues.
What is the difference between 301, 410, and complete removal?
A 301 redirect indicates a permanent move and transfers most link equity. Google follows these redirects and consolidates signals to the new URL over time.
A 410 Gone code indicates a permanent removal without redirection. Contrary to popular belief, forcing a 410 on old URLs that are already redirected does not speed up their removal from Google's systems. The engine may even interpret this change as an inconsistency.
- 301 redirects remain the standard solution for URL migrations and restructurings
- The 410 is only relevant for content that has been permanently removed with no equivalent elsewhere on the site
- Multiple redirect chains (A→B→C→D) slow down signal transfer but do not block it
- Google tolerates historical traces and does not penalize their residual presence in its systems
- The info: query is not a reliable indicator of the actual state of indexing
SEO Expert opinion
Does this statement contradict established best practices?
Mueller's position confirms what has been observed on the ground for years: Google is more tolerant than one might think with technical imperfections. SEO audits often point out redirect chains as critical, but the real impact is rarely measurable.
The cases where I have seen significant gains after cleaning up redirects mostly concerned excessively long chains (5+ hops) on strategic, high-traffic pages. For the rest, the effect remains marginal. [To be verified]: no large-scale study quantifies precisely the loss of PageRank per hop of redirection in real conditions.
In which cases should you still intervene?
Temporary 302 redirects mistakenly maintained for months deserve correction. Google eventually treats them as 301, but with additional delay and unnecessary uncertainty.
Chains created by accumulation of successive migrations (redesign on redesign) become problematic when they reach 4-5 hops. The crawl budget dilutes and signal consolidation becomes ineffective on sites with thousands of pages.
Redirects pointing to non-existent pages or pages that themselves are redirected create loops or dead ends. Here, intervention is necessary even if Google will eventually resolve the issue itself.
What does this statement reveal about Google's priorities?
Mueller implicitly encourages us to relativize micro-technical optimizations in favor of more impactful issues. This pragmatic stance contrasts with the detail obsession seen in some audits.
Google invests heavily in the resilience of its algorithms against imperfect configurations. The engine must manage billions of pages with very variable technical quality levels. Its ability to tolerate anomalies is an operational necessity.
Practical impact and recommendations
What actions should you take regarding old redirects?
Map your active redirects using Screaming Frog or your .htaccess/nginx file. Identify chains exceeding 2 hops and simplify them by pointing directly to the final destination.
Ignore the visible artifacts in Search Console or the info: query if they correspond to correctly redirected URLs. These traces will disappear on their own over time through recrawls without further action from you.
Avoid replacing functional 301s with 410s in hopes of speeding up cleanup. You risk losing link equity transferred and creating 404 errors for users following old backlinks.
How do I check that my redirects are being processed correctly?
Use the URL inspection tool in Search Console on the final destination of your redirects. If Google recognizes it as canonical and indexes it normally, consolidation is working.
Monitor the evolution of incoming backlinks through Search Console or Ahrefs. If links pointing to old URLs start being credited to the new URL in reports, authority transfer is progressing.
Test the crawl speed on your strategic pages. Excessive redirect chains increase response time and may slow down the indexing of fresh content, especially on sites with limited crawl budgets.
What mistakes should be avoided when cleaning up redirects?
Never delete a redirect still pointed to by active backlinks, even if they are old. Every external link has potential value that a 404 or 410 error would destroy permanently.
Avoid redirects to the default homepage when a specific page no longer exists. Prefer an actual 404 page or find the closest thematically relevant category/section.
Do not accumulate temporary redirect layers during A/B tests or phased migrations. Document and clean up as you go to avoid unmanageable complexity.
- Audit redirect chains and simplify those exceeding 2 hops
- Maintain existing 301s as long as they receive traffic or backlinks
- Use URL inspection in Search Console to validate consolidation
- Monitor crawl speed on high-traffic pages after redesign
- Document all redirects in a centralized tracking file
- Avoid replacing 301s with 410s without prior backlink analysis
❓ Frequently Asked Questions
Les anciennes URL visibles dans info: pénalisent-elles mon référencement ?
Combien de temps faut-il à Google pour consolider une redirection 301 ?
Faut-il supprimer les redirections après plusieurs années ?
Une chaîne de 3 redirections fait-elle vraiment perdre du PageRank ?
Le code 410 accélère-t-il la désindexation par rapport au 404 ?
🎥 From the same video 13
Other SEO insights extracted from this same Google Search Central video · duration 50 min · published on 29/05/2018
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