Official statement
After redirecting a mobile subdomain (m-dot) to the main domain, Google might continue to crawl the old mobile domain for a very long time, sometimes for several years. This is normal and should not be seen as a problem.
Other statements from this video 29 ▾
- □ Is it true that Google prioritizes its own platforms in search rankings?
- □ Should you split your backlinks between two different URLs?
- □ Why doesn't Google automatically hide Chrome extension pages on mobile?
- □ Does Google really slow down crawling on pages that are in prolonged no-index?
- □ How can temporary internal linking boost your reindexing speed?
- □ Is it true that changing your URL could cost you valuable SEO data?
- □ Can canonical and hreflang tags actually work together on the same page?
- □ Why should you avoid using canonicals between language versions?
- □ How do you choose between no-index and canonical for an effective SEO strategy?
- □ Should you combine no-index and canonical tags to enhance your SEO signals?
- □ Why does the crawl rate take longer to recover than to decline?
- □ Should you use the form to boost your crawl rate?
- □ Why is a 500-millisecond response time essential for effective SEO crawling?
- □ Why doesn't a reduced crawl rate from Google lead to the deindexing of your pages?
- □ How does Googlebot's geographic limitations affect content indexing?
- □ Is it true that the ES-419 code is a critical error for hreflang?
- □ Should you really replicate the markup of major websites for SEO?
- □ Why doesn't Google assign a single quality score for SEO?
- □ How could bold text influence your SEO strategy?
- □ How can overusing bold text harm your SEO efforts?
- □ How does semantic HTML enhance your SEO performance?
- □ Is it really necessary to manage over 10,000 links per page to optimize your SEO?
- □ Should you favor a hierarchical structure to boost your SEO?
- □ Why is Google Discover traffic so unpredictable for SEO professionals?
- □ What makes Google Discover's SEO standards so much stricter?
- □ Does response time really impact how Google crawls your site?
- □ Do PWAs Really Impact Your SEO?
- □ Is it essential to redesign older websites for better performance?
- □ What unique SEO challenges do JavaScript PWAs bring?
Official statement from
(4 years ago)
⚠ A more recent statement exists on this topic
What Should You Do with Your Old AMP Subdomains: Keep or Delete Them for Good?
View statement →
TL;DR
Google continues to crawl old mobile subdomains redirected to the main domain for a long time. This shouldn't be a concern for your SEO strategy. Google's crawler takes its time but remains effective.
❓ Frequently Asked Questions
Qu'est-ce qu'un domaine m-dot?
Un domaine m-dot est un sous-domaine utilisé spécifiquement pour les versions mobiles des sites (ex: m.example.com).
La présence de l'ancien domaine dans le crawl impacte-t-elle mon SEO?
Non, cela n'impacte pas directement votre SEO si votre domaine principal est bien optimisé et responsive.
Quand faut-il supprimer les anciennes redirections?
Ne les supprimez que lorsque vous êtes certain qu'aucun utilisateur ni moteur de recherche ne les utilise encore.
Faut-il alerter Google de ces redirections?
Pas obligatoirement, mais enregistrer les changements dans la Google Search Console peut être utile.
🎥 From the same video 29
Other SEO insights extracted from this same Google Search Central video · published on 12/11/2021
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