Official source: Google Search Central blog
Google’s crawler blog explained that Googlebot currently fetches up to 2MB for any individual HTML URL, and advised site owners to keep HTML lean and place critical elements higher up the document.
For normal business websites, the message is not “panic about file size”. It is “stop hiding important signals deep inside bloated templates”. If your page starts with huge menus, inline scripts, base64 assets or heavy blocks of repeated layout code, you increase the risk that useful metadata, canonicals or structured data end up further down than they should.
Google’s own advice was simple: keep your HTML lean and make sure the most important metadata appears earlier in the document.
This is especially relevant for inherited sites, builder-heavy pages and templates that try to solve every layout problem by adding more front-end weight. Technical SEO is not just about tags. It is also about what the crawler gets to see efficiently.
What to check first
- Whether essential metadata, canonicals and structured data appear high in the HTML.
- Whether bulky inline code or layout output is pushing useful content further down.
- Whether a builder or plugin stack is producing a lot more page weight than expected.