How can you perform load testing on your Node.js API?

Short answer: Use tools like Apache JMeter, k6, or Artillery to simulate many users and measure performance. Ecosystem & Tools

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.