Bundle Size Analyzer
Analyze your project bundle size and identify large dependencies. Track bundle size changes and optimize your code. Free online bundle analyzer tool.
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What is Bundle Size Analyzer?
Bundle Size Analyzer visualizes the size of your JavaScript bundles, helping you identify large dependencies and optimize your application's load time.
Key Benefits
- Performance optimization
- Dependency audit
- Visual breakdown
- Faster load times
Common Use Cases
- •Web optimization
- •Webpack analysis
- •Reducing bloat
- •CI/CD checks
How to Analyze Bundle Size
- Upload stats: Upload your webpack/rollup stats JSON.
- Analyze: View the visual treemap of dependencies.
- Optimize: Identify large packages to remove.
Key Features
- Analyze npm package sizes
- Minified and gzipped size
- Dependency tree visualization
- Compare package versions
- Export size breakdown
- Performance impact estimation
Frequently Asked Questions
How can I analyze my JS bundle size?
Upload your statistics file (e.g., webpack stats) to visualize space usage by dependencies.
Why is bundle size important?
Smaller bundles load faster, parse quicker, and improve overall site performance and SEO.
What is tree shaking?
A build process that removes unused code from the final bundle to reduce size.