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Code splittingWhat it means for you.
Breaking a large JavaScript bundle into smaller pieces that load only when needed.
Growth Score · Activation
Definition
What it means
With code splitting, a page loads only the scripts for what the visitor sees now. Other parts arrive later or on demand. Modern frameworks support it out of the box.
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Checkout audit: 12 leaksTwelve places a sale leaks, in cost order, with a test and a fix for each one.When to redesign your siteHow to tell a real redesign need from vanity, and how to do it without losing rankings.Fast for real visitorsRead real visits, then fix images, scripts, layout shifts and the slow start.
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FAQ
Quick answers
What is Code splitting?
Breaking a large JavaScript bundle into smaller pieces that load only when needed.
Where does it sit in Growth Score?
It belongs to the Activation pillar, one of the 12 pillars your score is built from.
What should I read next?
Start with JavaScript bundle size and Lazy loading, then browse the other terms in Activation.
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