http://www.yes-seo.tw/2009/12/301%E8%BD%89%E5%9D%80%E6%AA%A2%E6%9F%A5%E5%B7%A5%E5%85%B7-301-redirect-check-tool/
using .htaccess
http://www.tamingthebeast.net/articles3/spiders-301-redirect.htm
RewriteEngine On
#RewriteCond %{HTTP_HOST} ^xxx_old_site_address_xxx$ [NC,OR]
RewriteCond %{HTTP_HOST} ^xxx_old_site_address_2_xxx$ [NC]
RewriteRule ^(.*)$ http://new.site.address.tw/$1 [R=301,L]
ps. don't forget the slash of new site's address
