Check www redirect,A www Redirect Checker is an online tool that is meant to check and report on URLs regarding their redirection with a focus on the “www” and no “www” versions of a website. It is especially useful for webmasters, SEO specialists and developers since it allows to avoid problems connected with a shift of users and other search systems to the alternative version of the Web-site and to ensure that all variations pointed to the appropriate edition of the site just once.how to rank without content..