Official statement
The 15 MB limit concerns the initial HTML file retrieved, before JavaScript execution. The dynamically generated content by JavaScript (onload, AJAX) after the initial load is not counted within this 15 MB limit.
21:23
Other statements from this video 17 ▾
- 1:35 How does Googlebot's 15 MB limit influence your SEO strategy?
- 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?
- 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
Can PageSpeed Insights Really Pinpoint Which JavaScript is Slowing Down Your Sit...
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TL;DR
The 15 MB limit only pertains to the initial HTML file received, not the content generated by JavaScript afterward. Ignoring this limit can impact indexing.
❓ Frequently Asked Questions
La limite de 15 MB est-elle appliquée aux images et CSS ?
Non, elle ne concerne que le fichier HTML initial.
Les contenus AJAX sont-ils affectés par cette limite ?
Non, seuls les contenus HTML initiaux sont limités à 15 MB.
Que survient-il si mon HTML dépasse 15 MB ?
Googlebot pourrait ne pas indexer correctement tout le contenu au-delà de 15 MB.
🎥 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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