6 min read
Where React Rendering Actually Costs Time — and When Optimisation Matters
A practical look at where React spends time, why re-renders get expensive, and when optimisation is worth the complexity.
ReactPerformanceFrontend
Writing
Writing
Deep dives on the things that bite you in production — rendering costs, event loops, and security you cannot bolt on later.
RSS feed 
6 min read
The Ups and Downs of the Node.js Event Loop
How Node.js handles thousands of concurrent connections on a single thread, the phases callbacks actually run in, and the mistakes that stall the whole process.
Node.jsPerformanceBackend
6 min read
Web Security Fundamentals You Cannot Bolt On Later
The vulnerability classes that actually cause breaches, why they survive code review, and the structural defences that make them hard to reintroduce.
SecurityBackendBest Practices