Glossary

Code Splitting

A technique that breaks JavaScript bundles into smaller chunks loaded on demand, reducing initial load time.

What is Code Splitting?

Code splitting divides JavaScript into smaller chunks that are loaded on demand rather than all at once. This reduces initial bundle size and improves TTI.

Key Takeaways

1.Code Splitting is important for website performance and SEO.
2.You can measure it using tools like BulkAudit and Google Lighthouse.
3.Improving this metric can lead to better user experience and search rankings.

Learn More

Google Web Fundamentals

Related Guides

Managing Third-Party Scripts for Performance
Next.js Performance Optimization Guide
Lazy Loading Images and Videos

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