HTTP redirect codes for SEO explained. The HTTP redirect code, redirect for short, is a way to forward visitors and search engines from one URL to another. Redirects are used when moving content to a new URL, when deleting pages or when changing domain names or merging websites.
A redirect is a way to send both users and search engines to a different URL from the one they originally requested. The three most commonly used redirects are 301, 302, and Meta Refresh.