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Domain name redirection

Why to redirect domain name?

When web hosting is changed (moving site), there is no problem to point domain to new server, just changing DNS. When new domain must replace old domain, then could be a problem with search engines. Two domains leading to one site, it means duplicate content, and duplicate content for search engines is not acceptable, both your domains could be penalized or, worse, banned from search engine listing.

To avoid duplicate content penalty, you need to "tell" search engine spider, that your site is moved on new domain, (you need to use redirect from old domain to new).

Instead of old way with redirection pages, better is to use a permanent (301) redirection.

Simple way to do that is to use htaccess redirection - mod rewrite (apache server)

Case One: old domain to new domain - same hosting account

New domain to replace primary domain? You can't do that. Primary (main) domain is connected with your hosting account, and all add-on and parked (alias) domains are connected with your main domain. If hosting is good, and you want to keep it, you can contact support, they can do that. So, old domain could be parked, and new domain set as primary domain (account moved).

Anyway, if you wish to try, you can set new domain as "main domain", there are two ways:

Using parked domain as main domain

Parked domain (alias) is pointing to root (only if parked on your account), what means, it is the same as main domain. It could be used as "main domain" on your account, if traffic from your old domain is redirected (permanent redirect). It is not problem, but, you still need to keep your old domain, it is connected with your account (depends of hosting plan), and if it is removed (or expired), all other domains (parked, ad-ons) will disappear. So, keep your primary (old) domain in good health.

In this case (alias as main domain), it is not neccessary to move any page from your site, but it is neccessary to remove any instance of old domain from page. If you are using relative linking (without full url), you don't need to change anything. In this example below, we are redirecting our primary (old) domain to new (parked, alias) domain.

#Options +FollowSymLinks
RewriteEngine on
RewriteCond %{HTTP_HOST} ^$[OR]
RewriteCond %{HTTP_HOST} ^$
RewriteRule ^(.*)$$1 [R=301,L]

Now, with this setup, every request for is permanently redirected (301) to, About htaccess, and how to add this code above, see on bottom.

There is one problem with this setup. If your stats or logs are on, you need to disable redirection (uploading old htaccess) at that moment. Due to redirection, your stats directory is "moved" to,and you will get login screen again.

Using Add-on domain as main domain

Difference from parked domain (alias) is that add-on domain is pointed to subdirectory of main (primary) domain, (i.e. is pointing to, while alias is pointing to root. In this case, we need to move (copy) all files to /addondomain/ directory of main domain and add redirection from root to /addondomain/.

Code is the same as above for parked page, just be sure that everything is working on add-on domain before old domain is redirected.

Anyway, you should ask your hosting support is this above possible. You can test redirection to check is it working, but not all servers are the same, so, first ask support.

Case 2 (best): Old domain to new domain - different accounts

This is the best way to change domain name. Set up new account, host new domain on that account, test if everything is working, and add redirection from old domain (account). Keep old domain and account for a few months, or for a year, leaving redirection on place.

When you are sure that new domain is indexed on search engines, and google PR updated for new domain, and there is no links to old domain, and redirected visitors, you can do with old domain and account what you wish.

Sure, htaccess code (directives) is the same as above.

Subdomain to new domain redirection

Say that you have popular site on subdomain, and wish to move to the new domain on other account. Just use code below.

#Options +FollowSymlinks
RewriteEngine On
RewriteCond %{HTTP_HOST} ^$ [OR]
RewriteCond %{HTTP_HOST} ^$
RewriteRule (.*)$$1 [R=301,L]

That code could be used if you have account without domain (your account is connected with, just add new domain to the same account, and use above redirect.

Non WWW to WWW version redirection

Believe or not, there are still sites you cannot reach without using www in domain name. That is server configuration "problem", but what if you find that your site is indexed with two "domain names", with and For search engines, these are still two different sites with the same content. This happens when your link partners are using version without WWW. Search engine spiders are following those links, and in that case your site is indexed without WWW. Although you can check on YAHOO Site Explorer who is linked to your site and what version of domain name they are using, it is better to add redirection to WWW version. Working example, tested.
Remove (#) from the first line if you have any problem.

#Options +FollowSymlinks
RewriteEngine On
RewriteCond %{http_host} ^
RewriteRule ^(.*)$1 [R=301,L]

WWW to NON WWW version redirection

If you prefer non WWW version of domain name, code is below:

#Options +FollowSymlinks
RewriteEngine On
RewriteCond %{http_host} ^
RewriteRule ^(.*)$1 [R=301,L]

To test it, just add www. in front of domain name in browser address bar, and you will be redirected to non WWW version.

One version of domain name will boost your Google PR.

Other examples of domain redirection

All pages from old domain to main page (root) of new domain:

redirect 301 /

More examples soon...


Whatever example you wish to use, don't forget two things. Htaccess is a text file, it must be uploaded in ASCII (text) mode, not binary. It will be good to keep it offline with .txt extension, to be sure that will be uploaded in ASCII mode. Don't forget to rename it to .htaccess after upload. Second, always test it.

To avoid any interruption during testing, keep two versions of htaccess, for example, htaccess_redir.txt and htaccess_original.txt. Upload htacces_redir.txt, rename it to .htaccess, and with opened FTP program, test domain name redirection in browser. If it is not working (server error 500), upload original file back (htaccess_original.txt) or edit and try again.

Use some online header checker (or check in website log) to confirm that server response is 301 (moved permanently). AND, do not promote new domain (if content is the same) before redirection from old domain is on place.

Search engines and 301 redirection - example

In recent experiment (Feb 2007) main domain was redirected to alias domain (same account - IP). That site is small (30 pages), it was easy to track indexing under new domain. So, month later, here is situation:

Google - new domain indexed, old domain deindexed, rank lowered (domain is new) PR 0 (3 before)
Yahoo - new domain indexed, old domain - a few pages left, indexed under both domains, rank lowered
MSN - No sign of new domain, all pages still indexed under old domain, cache shows redirect (document moved here)

What about traffic from search engines? If you are redirecting old domain to new domain, your search engine position will change. Not only due to different domain name (keyword), other factors are involved too. One month is small time frame to get things on place again. When you are sure that pages are indexed under new domain, replace/edit/ask links from other sites.

Update May 2007 : After last Google PR update, new domain has PR 2 , all pages indexed, old domain could not be found. For PR 2, we can talk about good internal linking, not that PR is transferred to new domain. New domain is new domain.
YAHOO: Old domain removed, new domain indexed. Pages are slowly getting positions where they were before, under old domain.
MSN is still waiting for something. New domain still not included in index, and main page (only that page) is still indexed under old domain. According to above, I am not sure how MSN spider is handling with 301 redirection.

Update Jun 2007 : End of experiment, no success. While google has all pages indexed under new domain, Yahoo don't want to listen. Main page and a few others are again indexed under old domain (redirection was on place all the time.). MSN still refuse to index new domain, keeping main page indexed under old domain. Since many links are still pointing to the old domain, now the new domain is redirected back to the old domain. New domain AND new hosting account is still the best solution. This example is from 2007, it exist possibility that, at time when you reading this, things are changed, even then, be carefull.

Moving site from free hosting to new domain

This is not a permanent redirection, here is META tag used to redirect old page to the new page on new domain. So, if you still have an old site hosted on "free" hosting, and want to move that site to new domain, make and upload (different) page with the same name, add redirection META tag with 10 - 15 seconds, add page moved, bla, bla... in body, with link to, and your new site will be indexed fast. Maybe will a problem with duplicate content for the first time, but that will disappear after search engine database update. Old site will remain in index, so you can use it to to get other new site indexed faster, or add some other content there. Google "page moved" or "site moved", and you will see some examples how to do this kind of redirection.

Using this "redirect" new site (domain) was indexed from Google and Yahoo fast, but two months later, domain still could not be found using MSN search (although spidered).
Update: It is fully indexed after three months.

BASE HREF tag and search engines

Base href META tag is useful when you are using relative linking on site (i.e. ../index.html instead of When that tag is added to pages on new domain, it helps search engine spiders to determine real website domain.

So, it will not hurt when it is used in combination with domain redirection. Include domain version (with or without www) and page:

For main page (or subdirectory index page) could be added without page name (don't forget slash on the end):


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