The ProdFix Blog

React 18 concurrent features change rendering behavior. Here's what breaks in production after the upgrade.

Context re-renders cause invisible performance degradation at scale. Here's how to detect and fix it.

React Native production errors are different from web. Here's what breaks and how to monitor React Native apps.

Tailwind purges unused classes in production. Here's why classes disappear and how to prevent it.

Every KB you add to your bundle slows your LCP. Here's how to audit and reduce bundle size systematically.

Safari has unique JavaScript behavior that breaks apps working perfectly in Chrome. Here's the list and the fixes.

Most SaaS users are on desktop but mobile performance still affects SEO and some conversions. Here's what to optimize.

Bad form validation UX causes rage clicks and abandonment. These are the patterns that frustrate users most.

Dark mode implementations break in specific browser and OS combinations. Here's how to monitor and fix them.

Web Components have browser compatibility issues that only surface in production. Here's what to watch for.