Dynamic Import in Production: How We Kept a Bug Reporting Widget Under 40KB

📰 Dev.to · Benji Darby

Learn how to optimize code size using dynamic imports to keep a bug reporting widget under 40KB

intermediate Published 23 Apr 2026
Action Steps
  1. Use dynamic imports to load non-essential code on demand
  2. Configure Webpack to optimize code splitting and minimize bundle size
  3. Implement tree shaking to remove unused code
  4. Monitor and analyze bundle size using tools like Webpack Bundle Analyzer
  5. Optimize dependencies and remove unnecessary libraries
Who Needs to Know This

This technique is useful for frontend developers and engineers working on optimizing code size for production environments, especially when working with third-party libraries or widgets.

Key Insight

💡 Dynamic imports can help reduce code size by loading non-essential code on demand, resulting in faster page loads and improved user experience.

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💡 Keep your bug reporting widget under 40KB with dynamic imports! 🚀
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