How to tell Google to update a URL

I moved a site from somedomain.com/sitename to sitename.com. (After
residing in a subdirectory of another domain for a few years, it now has
its own domain name.) The old URL now contains only a single page that
informs the user of the new URL and contains a link to the new URL. If
you do a Google search on the site's most common search terms, the old
URL is listed number 7. The new URL is listed number 19. Incoming links
point to both URLs.

I'd like to see Google list the new URL at number 7 and ignore the old
URL. Is there a way to tell Google that somedomain.com/sitename is now
at sitename.com?

Scott Bryce wrote:

 > I moved a site from somedomain.com/sitename to sitename.com. (After
 > residing in a subdirectory of another domain for a few years, it now
 > has its own domain name.) The old URL now contains only a single page
 > that informs the user of the new URL and contains a link to the new
 > URL. If you do a Google search on the site's most common search terms,
 > the old URL is listed number 7. The new URL is listed number 19.
 > Incoming links point to both URLs.
 >
 > I'd like to see Google list the new URL at number 7 and ignore the old
 > URL. Is there a way to tell Google that somedomain.com/sitename is now
 > at sitename.com?

Use a 301 redirect.
<a style='text-decoration: underline;' href="http://www.tamingthebeast.net/articles3/spiders-301-redirect.htm" target="_blank">http://www.tamingthebeast.net/articles3/spiders-301-redirect.htm</a>

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