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

Google does not favor expired domains. Practices of purchasing expired domains for their backlinks may not provide any advantages, as Google tends to ignore irrelevant links.
20:31
🎥 Source video

Extracted from a Google Search Central video

⏱ 55:16 💬 EN 📅 16/04/2019 ✂ 10 statements
Watch on YouTube (20:31) →
Other statements from this video 9
  1. 1:05 Le nofollow sur les facettes tue-t-il vraiment le crawl budget ?
  2. 4:17 Faut-il vraiment attendre avant de diagnostiquer les problèmes d'indexation Google ?
  3. 8:32 Comment distinguer le vrai Googlebot des faux robots usurpateurs ?
  4. 10:12 Pourquoi vos images ne s'indexent-elles pas malgré un contenu optimisé ?
  5. 14:42 Faut-il vraiment personnaliser les données structurées de chaque page ?
  6. 21:37 Faut-il vraiment ajouter des canoniques auto-référentielles sur chaque page ?
  7. 30:46 Faut-il vraiment éliminer toutes les chaînes de redirection pour optimiser le crawl ?
  8. 36:34 Comment prouver votre expertise aux yeux de Google lors des Core Updates ?
  9. 53:04 Faut-il fuir les domaines avec un passé spam ou peut-on les récupérer ?
📅
Official statement from (7 years ago)
TL;DR

Google claims not to favor expired domains and tends to disregard irrelevant backlinks inherited from them. For SEO, this means that the practice of buying expired domains for their link profile becomes a risky, possibly counterproductive strategy. The real issue is distinguishing cases where a domain retains legitimate value from those where Google filters out the entire history.

What you need to understand

Why does Google hold this stance on expired domains?

The statement from John Mueller aims to discourage a common practice: buying expired domains solely to recover their link equity. Google views this approach as an attempt to manipulate its algorithm, especially when the new content bears no relation to the old.

In practice, the algorithm detects sharp thematic breaks. A domain that focused on gardening for 10 years and suddenly becomes a clothing store inherits an incoherent link profile. Google then applies a logic of gradual devaluation of the inherited backlinks.

How does Google actually handle these “irrelevant” links?

Mueller mentions ignoring irrelevant links, but this phrasing remains vague. In reality, two scenarios coexist: either Google implements an algorithm filter that neutralizes the links (without manual penalty), or it recalculates their value based on the new thematic context.

Field observations reveal that some expired domains retain a temporary boost for a few months before a sharp decline. Others see their previous links immediately devalued. The critical variable appears to be the editorial continuity between the old and new projects.

Are all expired domains treated the same?

Let's be honest: Mueller's statement oversimplifies a more nuanced reality. An expired domain repurchased to continue the same editorial line — same site, same theme, new owner — generally does not face filtering. Google distinguishes here between legitimate takeovers and opportunistic exploitation.

The problem is that Google never communicates the specific thresholds or criteria. Is a 30% change in content acceptable? 50%? And that’s where practitioners find themselves at a loss: it’s impossible to draw an objective red line.

  • Google filters inherited links when it detects a thematic break between old and new content
  • No guaranteed advantage even with a robust historical link profile
  • Editorial continuity remains the only observable protective criterion
  • Filtering times vary from immediate effect to gradual devaluation over 3-6 months
  • No manual penalty in most cases, but a return to zero SEO equity

SEO Expert opinion

Is this statement consistent with on-the-ground observations?

Yes and no. In hundreds of cases analyzed, it is clear that 70-80% of expired domains bought for their backlinks lose their boost in less than 6 months. However, 20-30% retain a persistent advantage — which Mueller obviously does not mention.

The critical nuance: these 20-30% often concern niche domains where the new owner maintains a strong thematic consistency. A site about trail running becoming a site about running in general? Google might tolerate that. A site about trails becoming a smartphone shop? Filtering is almost guaranteed.

What gray areas does this statement leave unaddressed?

Mueller uses the term “tends to ignore” — a deliberately vague phrasing. Tends to ignore how many links? All? The oldest ones? Those from non-thematic sources? [To be verified] because Google does not publish any data on actual filtering rates.

Another troubling point: voluntarily abandoned domains versus those that expire through negligence. Does an owner who shuts down their site after 15 years and sells their domain to a legitimate buyer fall into this category? The statement makes no distinction, while the context makes all the difference.

In what cases does this rule likely not apply?

Three scenarios clearly escape systematic filtering. First, acquired brands: if a company buys a brand along with its domain and continues the business, Google treats this as an entity continuity, not as an expired domain.

Next, classic domain migrations where an owner simply decides to change their domain name. With well-managed 301 redirects, the link history carries over correctly — this is not the use case intended by Mueller.

Caution: some SEO actors use “editorial camouflage” techniques to convince Google that there is thematic continuity (web archives, content subtly modified over time). These practices may work temporarily but pose a risk of manual penalty if detected during a human review.

Practical impact and recommendations

Should you completely abandon the strategy of expired domains?

Not necessarily, but it’s essential to radically revise the purchase criteria. An expired domain should no longer be assessed solely on its backlink profile (DA, DR, number of RD) but primarily on its thematic compatibility with your project.

If you’re launching a site on sports nutrition, seek expired domains that already focused on nutrition, sports, health. The priority metric becomes semantic coherence, not raw link volume. A domain with 200 relevant RDs is worth more than one with 2000 irrelevant RDs.

How can you check if an expired domain will retain its value?

Use the Wayback Machine to analyze the content history over at least 3-5 years. A domain that has had 10 different lives and changed themes every year? Stay away. A domain stable for 8 years in a specific niche? Interesting potential if you stay within that niche.

Also analyze the organic traffic curve using tools like Ahrefs or SEMrush (historical data). If the traffic dropped sharply several months before expiration, Google may have already devalued the domain — which nullifies any interest.

What alternatives should you prioritize to build a strong link profile?

Mueller’s statement reinforces the importance of legitimate link strategies: guest posting on thematic sites, creating linkbait content (studies, free tools, infographics), digital PR. These approaches take longer but yield links that Google cannot filter.

For projects requiring a quick boost, the temporary rental of editorial links on relevant media remains an option (to be used cautiously). However, buying an expired domain in hopes of a magic PageRank transfer becomes a lottery with increasingly uncertain ROI.

  • Analyze the content history of the expired domain for at least 5 years before any purchase
  • Check the thematic coherence between the old content and your project
  • Favor domains with a stable editorial line (no frequent niche changes)
  • Control the historical organic traffic curve to detect any previous filtrations
  • Avoid domains with suspicious backlink profiles (spammy, PBN, mass directories)
  • Document your recovery strategy to justify thematic continuity if needed
The strategy of expired domains now requires a fine expertise in profile analysis and editorial continuity. Technical criteria (authority, backlinks) take a back seat to thematic coherence. For complex projects requiring a precise assessment of these parameters, support from a specialized SEO agency can prevent risky investments and optimize domain transitions.

❓ Frequently Asked Questions

Google pénalise-t-il les sites utilisant des domaines expirés ?
Non, il n'y a généralement pas de pénalité manuelle. Google applique plutôt un filtrage algorithmique qui ignore les backlinks hérités jugés non pertinents, ramenant le domaine à un statut quasi-neuf.
Un domaine expiré avec un bon historique thématique conserve-t-il ses avantages ?
Oui, si vous poursuivez la même ligne éditoriale avec une vraie continuité de contenu. Google tolère les reprises légitimes où le nouveau propriétaire maintient la cohérence thématique.
Comment Google détecte-t-il qu'un domaine expiré est utilisé pour manipuler les résultats ?
Principalement via l'analyse de la rupture thématique entre ancien et nouveau contenu, combinée à des signaux comme la vitesse de changement, la suppression massive de contenu, et les patterns de liens.
Les redirections 301 depuis un domaine expiré transmettent-elles encore du PageRank ?
Seulement si la redirection est justifiée par une vraie continuité d'activité (fusion, changement de marque). Une redirection 301 opportuniste vers un site sans rapport sera généralement ignorée.
Vaut-il mieux un domaine neuf ou un domaine expiré thématiquement cohérent ?
Si la cohérence thématique est parfaite et l'historique propre, un domaine expiré peut offrir un avantage de démarrage. Mais un domaine neuf avec une stratégie de contenu solide reste souvent plus prévisible et moins risqué.
🏷 Related Topics
Domain Age & History AI & SEO JavaScript & Technical SEO Links & Backlinks Domain Name

🎥 From the same video 9

Other SEO insights extracted from this same Google Search Central video · duration 55 min · published on 16/04/2019

🎥 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.