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Performance Optimization
Code splitting, lazy loading, and bundle optimization
Optimize React, Vue, and Next.js applications for blazing-fast frontend performance. Reduce bundle sizes, implement code splitting, and deliver JavaScript ef...
Modern JavaScript frameworks ship large bundles that slow down applications. We optimize frontend performance through code splitting, tree shaking, lazy loading, and bundle analysis. Using tools like Webpack Bundle Analyzer and Next.js built-in optimizations, we reduce JavaScript payloads by 40-70% while maintaining full functionality.
Everything you need for success
How we work with you
Use bundle analyzer to identify large dependencies
Plan code splitting points and lazy load candidates
Add dynamic imports and route-based splitting
Remove unused code, optimize imports, configure tree shaking
Verify bundle sizes and loading performance
Track bundle sizes in CI/CD to prevent regressions
What you'll achieve
Faster initial page loads (40-70% smaller bundles)
Improved Time to Interactive
Better mobile performance
Reduced data usage for users
Faster subsequent page navigation
Prevention of bundle size regressions
Everything you need to know
Breaking JavaScript into smaller chunks loaded on-demand. Instead of one 2MB bundle, users download 200KB initially, then load additional features as needed—dramatically faster initial load.
Minimal changes. Next.js does route-based splitting automatically. For React/Vue, we add React.lazy() or dynamic imports—usually 1-2 lines per component. Developer experience stays smooth.
Typically 40-70% reduction. Example: reduce 1.5MB bundle to 400-600KB initial load. Heavy libraries like charts, PDF viewers, or markdown editors are lazy loaded only when needed.
Replace with lighter alternatives (date-fns, dayjs), use tree-shakeable imports, or lazy load when needed. We audit all dependencies and suggest modern alternatives for bloated libraries.
Let's discuss your project and how we can help you achieve your goals.