Official statement
Googlebot recognizes only the first 15 MB of the initial retrieved HTML file. This limit applies to the source file before JavaScript, CSS, or other resources are executed. It does not pertain to resources loaded afterward (images, external CSS, JavaScript). Most sites never reach this limit.
1:35
Other statements from this video 17 ▾
- 2:01 Is it true that Googlebot only crawls the first 15 MB of HTML files?
- 3:03 How is the new video indexing report transforming your SEO strategy?
- 3:03 How can you leverage the new Video Indexing Report in Search Console?
- 5:47 Is it true that a noindex on an error page can lead to your URL being deindexed?
- 6:32 How does support for the M3U8/HLS format influence your video SEO?
- 6:52 Is it true that Google supports the M3U8/HLS format for videos?
- 8:55 Should you continue publishing even when facing canonicalization issues?
- 13:23 Why is a hierarchical URL structure a game-changer for SEO?
- 14:06 Why should you favor logical directories for your SEO URLs?
- 17:24 How can you ensure your site stays visible and doesn’t get excluded due to similarity?
- 17:44 How can you make your pages stand out to prevent Google from omitting them?
- 19:49 Why is the 15 MB limit on uncompressed files crucial for SEO?
- 19:49 How does Googlebot's 15 MB limit affect your SEO strategy?
- 21:23 How does the 15 MB limit impact your JavaScript management for SEO?
- 21:23 Why is the 15 MB limit before JavaScript execution crucial for your SEO?
- 22:57 Why are Google search referrers still undifferentiated?
- 22:57 How do Google referrers really impact your SEO analysis?
Official statement from
(3 years ago)
⚠ A more recent statement exists on this topic
Did Google really hide a 15 MB indexing limit from everyone for 15 years?
View statement →
TL;DR
Googlebot only reads the first 15 MB of your initial HTML file. Resources loaded afterward are not affected. Make sure your essential data is loaded at the beginning.
❓ Frequently Asked Questions
Le JavaScript est-il concerné par cette limite ?
Non, la limite ne s'applique qu'au HTML avant exécution de JS.
Comment savoir si mon site dépasse cette limite ?
Utilisez les outils de mesure des tailles de page pour vérifier.
La limite affecte-t-elle l'ensemble du trafic vers mon site ?
Non, elle n'affecte que la capacité de Googlebot à indexer des contenus au-delà de 15 MB dans le HTML initial.
🎥 From the same video 17
Other SEO insights extracted from this same Google Search Central video · duration 27 min · published on 28/07/2022
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