A 301 redirect is a permanent redirect from one URL to another. 301 redirects send site visitors and search engines to a different URL than the one they originally typed into their browser or selected from a search engine results page. A 301 permanent redirect is preferable to a 302 temporary redirect from an SEO standpoint because it transfers the ranking signals (such as backlink PageRank and backlink anchor text) from the redirected domain to the new one, helping the website maintain its authority, and thus, search rankings. However, search engines such as Google will treat 302’s like 301’s when they are used over an extended period of time . The search engines recognize that you