SEO stands for search engine optimization. SEO, or search engine optimization, is your key to getting visitors to your site, so it is very important to pay attention and help this as much as possible.
It is a server-side redirect. Typing a URL into your browser or clicking on a link sends a request for the page to the server of the website. A 301, “moved permanently,” redirect is a set of instructions which are executed when the request hits the server, automatically re-routing to a different page.