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301 redirect (URL migration)

Related service Websites, web apps & online shops

DEFINITION

An HTTP status code meaning 'this URL has permanently moved'. During e-commerce migrations or URL changes, every old URL must redirect to the corresponding new URL via a 301. Missing or incorrect redirects can cut Google rankings 30-70% as old URLs hit 404s. Configured at the web server (.htaccess on WordPress, nginx config), at the CDN (Cloudflare Redirects), or in Next.js redirects export. Migrations typically need 500-50000 redirects in a table. The make-or-break of a migration.

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