6 Lessons Learned from Optimizing the Performance of a Node.js Service

Klarna shares six big lessons from speeding up their Node.js service.

Four Load Testing Mistakes Developers Love to Make

Klarna points out four load testing traps devs often fall into.

How Removing Caching Improved Mobile Performance by 25%

Klarna ditched caching and somehow boosted mobile speed by 25%.

Tree Shaking React Native Apps

Klarna trims React Native apps with tree shaking for lean performance.