What SEO basics should a React app have?
A meaningful title and meta description, Open Graph tags for sharing, and for public content, ensure it can be crawled. For client-side rendering, consider server rendering or pre-rendering for SEO-critical pages.
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More FAQs in A Final Polishing Checklist Before Deploying a React App
Loading and error states on every fetch, responsive behavior on mobile and desktop, form validation, authentication, SEO basics, performance and bundle size, accessibility, and that environment variables are set and not in code.
Because many users will visit on mobile. Test on real devices or accurate emulators, not just browser resizing, which can hide real responsive issues. An app that only works on desktop loses a large share of users.
Buttons have accessible names, modals trap focus, images have alt text, color contrast is sufficient, and interactive elements are keyboard accessible. Use role-based queries when testing to mirror real assistive tech.
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