Let us all learn how to permanently (301) redirect older URLs to newer URLs. Actually, we do this for SEO purpose because, we don’t want to lose link juice of our older URLs, so we try to say web crawlers to notice the change that we have made on our website, by that it considers the change and transfers the Page rank from older URLs to new or main URL. This is the case were you are allowing permanent (301) redirection of old URLs to New.
For more detailed information on how to do this, Check our video 301 redirect in Kentico below.