Learn KOA-JS with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Lightweight core ensures fast request handling
Async/await reduces callback overhead
Middleware chaining adds minimal overhead
Good for small-to-medium workloads
Use clustering or PM2 for high-traffic production
Security Notes
Use HTTPS for secure communication
Sanitize inputs to prevent injection attacks
Use security middleware (koa-helmet) for headers
Implement rate limiting and authentication
Keep dependencies updated
Monitoring Analytics
Log requests and responses
Monitor CPU and memory usage
Track errors and exceptions
Integrate with external monitoring tools
Profile performance in high-traffic endpoints
Code Quality
Follow JS/TS best practices
Organize middleware cleanly
Write unit and integration tests
Document endpoints and middleware
Use async/await consistently