As both custom domain publishing, and social sharing networks, become normal with many blogs, we see anguish when blog owners change the URLs of their blogs, without planning for the effects of the change . What happened to my Likes? This blog owner - and many others - do not realise that FaceBook counts Likes, based on the URL, not the blog. FaceBook Likes, and Google+ +1s, are counted by URL - and are not controlled by DNS redirection, or simple name changes. If you rename your blog, you get a new URL with a new popularity counter , in FaceBook and Google+.
What Blogger won't tell you