301 is the code that defines that the resource has been moved permanently to some other location. There are few ways to achieve this. But first let me tell you why this is important If you want Search Engine optimized website then you do not want that when a good search engine crawler come visit your website, it is met with 404 error that is: resource not found. I don't really know how SEs treat your website if there are lot of 404 errors Your website visitors gets a bad impression when they see that the page they are looking for does not exist any more. Lets see how you can avoid such things. With PHP its really simple. Add these lines to the source to be moved OR Use power of Apache to do the above. Add the lines below to the .htaccess file in the root folder of your website. OR OR If you like to redirect all traffic from your current domain to new domain just do it as follow   To use the .htaccess way make sure that mod_rewrite (apache module) is enabled.   Hope this helps   Cheers   . … [Read more...]