What is the last step of a React UI build?
Testing the deployed UI. Click through the live UI on mobile and desktop, testing auth, forms, API calls, deep links, and real-time features. Catch production-only issues before users do, which is the whole point of the finishing phase.
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More FAQs in Roadmap: Finishing and Polishing a React UI
Finishing and polishing: debug and fix bugs, handle all states, make it responsive, add accessibility, optimize performance, polish the UI, prepare for deployment, and test the deployed UI. Each step takes the UI from working to production-ready.
Debug and fix bugs. Run through the UI and fix every bug you find, using React DevTools, the Profiler, the Network tab, and strategic logs. A polished UI starts with no known bugs.
In the finishing phase. Add semantic HTML, accessible names, keyboard navigation, focus management for modals, sufficient color contrast, and test with a screen reader. Accessibility is part of polishing, not an afterthought.
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