The redirection process is probably the most important task when redesigning a website. It will basically indicate to search tools and internet users where the content of their favorite website has been moved and where they are going to be able to fnd the information they want.
Not implementing a proper 301 redirection policy between the old version and the new version of a website can result in a huge loss of visibility and traffic.
301 redirection will also indicate search tools that Link popularity from the previous URL should be transfered to the new one.
Page per page 301 redirects
These redirections implementation can be time consuming as the following pieces of code would need to be implemented on every single page of the website which is moved.
301 redirect in ASP-VB script
301 redirect in PHP
301 redirect in Coldfusion
301 redirect in Perl