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Official statement

Using a personalized domain name rather than a free subdomain from a hosting platform helps with brand memorability. Users will remember the custom domain name rather than the hosting platform.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 05/04/2023 ✂ 11 statements
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  10. Faut-il vraiment faire du SEO pour un site à fonctionnalité ?
📅
Official statement from (3 years ago)
TL;DR

Gary Illyes confirms that a personalized domain name strengthens brand memorability compared to a free hosting platform subdomain. Users remember the domain name, not the hosting platform. It's a clear signal: investing in a custom domain remains fundamental, even for small projects.

What you need to understand

Why does Google take a stance on branding rather than technical SEO?

Gary Illyes' statement goes beyond the purely algorithmic framework to touch on user experience and brand perception. But let's be honest: if Google is talking about it, it's because memorization and recognition indirectly influence measurable signals — direct traffic, bounce rate, retention.

A user who remembers yoursite.com will return directly. A user who only remembers "blogspot" or "wixsite" will search Google again, or worse, won't try at all. The link between branding and SEO is not direct in the algorithm, but it exists in user behavior.

What is a free subdomain and why is it problematic?

Hosting platforms (Wix, Blogger, WordPress.com, Shopify) offer free or entry-level plans with URLs like mysite.blogspot.com or store.wixsite.com/myproduct. The root domain belongs to the platform; you are merely a tenant.

Result: the user associates the content with the platform, not with you. Brand identity dilution is real. And if you migrate later to a custom domain, you lose the history, backlinks, accumulated authority — a complete reset.

What are the concrete risks for an SEO professional who recommends a free subdomain?

Beyond branding, it's a matter of technical control. On a free subdomain, you are subject to platform constraints: limitations on redirects, canonical tags, robots.txt file, sometimes even source code access.

You control neither the architecture nor the indexing velocity. If the platform changes its rules or raises prices, you are tied hand and foot. A serious client deserves a custom domain from the start — it's an investment of €10-15/year, negligible compared to the risks.

  • User memorability: a custom domain anchors the brand in the visitor's mind
  • Technical control: full mastery of SEO configurations (redirects, canonicals, robots.txt)
  • Portability: easy migration to another host without loss of authority
  • Credibility: a free subdomain sends an amateur signal, especially in B2B
  • Ownership: you own the domain, not the platform

SEO Expert opinion

Is this statement consistent with practices observed in the field?

Absolutely. Sites with a custom domain perform better over time, not through a direct algorithmic boost, but via stronger user metrics: return rate, session time, social sharing. Google measures these indirect signals.

In fifteen years of practice, I've seen dozens of migrations from free subdomains. In every case, the switch to a custom domain is accompanied by improved KPIs — provided redirects are handled correctly. The problem is that many wait too long before making the leap.

What nuances should be added to this Google recommendation?

Gary Illyes doesn't say that a free subdomain penalizes ranking. He's talking about brand memorability. Let's not turn this statement into "Google penalizes Wix or Blogger" — that's false.

If you're testing a concept, a side project, or an MVP, a free subdomain can work temporarily. But as soon as you aim for serious organic traffic or monetization, switch to a custom domain. The gap between these two phases should be as short as possible.

Another nuance: certain platform subdomains (Medium, LinkedIn, even GitHub Pages) benefit from inherited domain authority. But this authority remains fragile and non-transferable. You're building on sand.

Warning: If you migrate from a free subdomain to a custom domain, anticipate a period of fluctuation in rankings. 301 redirects are essential, but Google reprocesses the site as a new entity for a few weeks. Plan this migration during a low-activity phase if possible.

In what cases does this rule not apply?

Honestly? Very few. The only contexts where a free subdomain remains acceptable: ephemeral projects (event marketing, seasonal landing page), temporary A/B tests, or content intended to be syndicated on a parent platform.

For any long-term project — website, e-commerce, professional blog, SaaS service — a custom domain is non-negotiable. The cost is trivial, the gain in credibility and control is massive.

Practical impact and recommendations

What should you do concretely to maximize brand memorability through your domain?

Choose a domain name that is short, memorable, and aligned with your brand. Avoid hyphens, numbers, complex spellings. If possible, prioritize a .com or .fr depending on your geographic target.

Make sure the domain is easy to pronounce and to spell — a simple test: say it to someone over the phone, can they write it without error? If not, look for an alternative.

What mistakes should you avoid when choosing or migrating a domain?

Don't underestimate the importance of 301 redirects if you're migrating from a subdomain. Each old URL should point to its new version. One oversight = loss of SEO juice and broken traffic.

Also avoid changing domains too often. Each migration dilutes accumulated authority. If you're unsure between two names, decide quickly — inaction costs more than the wrong choice.

Another pitfall: buying an expired domain with a questionable history. Check via Wayback Machine and tools like Ahrefs or Majestic that the domain wasn't used for spam or black hat practices.

How do you verify that your domain is properly configured for SEO and memorability?

Test HTTPS consistency: your domain should automatically redirect to the secure version. Also verify that www and non-www redirect to a single canonical version (avoid duplicate content).

Properly configure Search Console and Google Analytics on the custom domain from day 1. If you're migrating, submit an address change request in Search Console — it speeds up the transition.

  • Choose a short, memorable domain name without hyphens or numbers
  • Prioritize a .com or relevant local extension (.fr, .de, etc.)
  • Configure HTTPS and redirect www to non-www (or vice versa) consistently
  • When migrating, set up 301 redirects for each URL
  • Check domain history if expired (spam, past penalties)
  • Declare the domain in Google Search Console and Analytics from launch
  • If migrating, use the address change tool in Search Console
  • Test domain pronunciation and spelling with third parties
A custom domain is not a luxury, it's a strategic prerequisite. It structures digital identity, facilitates memorability, and provides full technical control. Launching or migrating to a custom domain requires rigor and planning — redirects, canonicals, server configuration. If you're not comfortable with these technical aspects or if you manage multiple sites, support from a specialized SEO agency can secure the process and prevent costly visibility errors.

❓ Frequently Asked Questions

Un sous-domaine gratuit pénalise-t-il mon référencement Google ?
Non, Google ne pénalise pas directement un sous-domaine gratuit. En revanche, la mémorisation de marque plus faible et le contrôle technique limité dégradent indirectement les performances SEO à moyen terme.
Puis-je migrer d'un sous-domaine gratuit vers un domaine propre sans perdre mon trafic ?
Oui, à condition de mettre en place des redirections 301 pour chaque URL et de déclarer le changement d'adresse dans la Search Console. Une période de flottement de quelques semaines est normale.
Quel type d'extension de domaine choisir pour optimiser la mémorisation ?
Privilégiez .com pour une audience internationale, ou une extension locale (.fr, .de, .co.uk) si vous ciblez un marché géographique précis. Évitez les extensions exotiques ou peu connues.
Un domaine avec tirets ou chiffres impacte-t-il négativement le SEO ?
Pas directement pour l'algorithme, mais ça complique la mémorisation et la saisie manuelle. Les utilisateurs font plus d'erreurs, ce qui réduit le trafic direct et la fidélisation.
Combien de temps faut-il à Google pour reconnaître un nouveau domaine après migration ?
Généralement 2 à 6 semaines pour que le nouveau domaine retrouve ses positions, à condition que les redirections soient correctes. L'historique de l'ancien domaine facilite la transition.
🏷 Related Topics
AI & SEO JavaScript & Technical SEO Domain Name

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