301 redirect to preserve search engines rank.
redirect script – the scripting language that is used for the redirection.
redirect side PHP / ASP / ASP.NET script where the redirection takes place – server-side or client-side.
old page file type the type of the old URL page that can can contain the scripting language of the redirect code.
redirect URL or domain – does support URL redirection of a single web page or domain redirection of a whole website.Typical old URL server type – the typical software and operating system of the server.
301 redirect support – indicates whether permanent 301 redirect status response can be returned.