301 redirection is redirect to old url

301 is the best technique to make website SEO friendly and get the maximum benefits by redirecting the web page to the new location permanently.

"301 redirect" is a method of forwarding messages browsers and search engines that webpage or website that has been completely relocated to a new address. Usually a relay 301 will contain new web address instead. The browser will automatically forwarded to the new address 301 transferred without user intervention.