How to Detect and Fix Soft 404 Errors in Next.js Applications

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A soft 404 occurs when a web page returns an HTTP 200 OK status despite having little or no meaningful content, misleading search engines into indexing empty or broken pages. In Next.js, dynamic routes are a common source of this problem, as page components continue to render and report success even when the underlying data — from a CMS, API, or database — no longer exists. This wastes search engine crawl budget, weakens perceived site health, and causes visitors to land on dead-end pages. Developers using the App Router can fix this by calling the notFound() function from next/navigation when expected data is absent, while Pages Router users should return notFound: true from getServerSideProps or getStaticProps. Adding a custom 404 page with helpful navigation further improves the experience for users who encounter missing content.

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ProgrammingDEV Community ·

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