Optimizing JavaScript Performance for Modern Web Apps

Performance can make or break a web application. Slow JavaScript execution leads to frustrated users and higher bounce rates.

⚡ Techniques

• Minify and bundle JavaScript files.
• Use lazy loading for modules.
• Avoid memory leaks by clearing intervals and listeners.
• Optimize DOM manipulation.
• Use async/await for non-blocking operations.

🔍 Tools

• Chrome DevTools Performance tab.
• Lighthouse audits.
• Webpack and Rollup bundlers.

✅ Conclusion

High-performing JavaScript is the foundation of smooth user experiences. Invest time in optimizing your scripts.