Setting the preferred domain

Tuesday, September 12, 2006

Based on your input, we've recently made a few changes to the preferred domain feature of Webmaster Tools. And since you've had some questions about this feature, we'd like to answer them.

The preferred domain feature enables you to tell us if you'd like URLs from your site crawled and indexed using the www version of the domain ( or the non-www version of the domain ( When we initially launched this, we added the non-preferred version to your account when you specified a preference so that you could see any information associated with the non-preferred version. But many of you found that confusing, so we've made the following changes:

  • When you set the preferred domain, we no longer will add the non-preferred version to your account.
  • If you had previously added the non-preferred version to your account, you'll still see it listed there, but you won't be able to add a Sitemap for the non-preferred version.
  • If you have already set the preferred domain and we had added the non-preferred version to your account, we'll be removing that non-preferred version from your account over the next few days.

Note that if you would like to see any informatio