Production Web Dev: Structure, Readability, and Core Vitals

A full-stack engineer shares three practices that matter in production: project structure by feature, readable code with single-responsibility functions, and hitting Core Web Vitals targets (LCP under 2.5s, INP under 200ms, CLS under 0.1). These habits reduce technical debt and improve user experience. The advice comes from real client projects that broke, got fixed, and scaled.