How do I verify the React Router fix after deploying?
Visit a deep link directly in your browser, like /browse, and confirm it renders the right page. If it returns a 404, your rewrite rule is missing or wrong. Always test deep links after deploying.
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More FAQs in Why React Router Breaks After Deployment (and How to Fix It)
Because the host serves a 404 for routes that are not real files. In development, the dev server serves index.html for all routes, but in production, client-side routes are not files, so the host returns 404. Fix by redirecting all routes to index.html.
Vercel usually handles this for React apps automatically. If not, add a rewrite rule in vercel.json that redirects all routes to index.html, so React Router loads and handles the route client-side.
Add a _redirects file in your public folder with the line '/* /index.html 200'. This redirects all routes to index.html with a 200 status, so React Router handles the routing client-side.
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