Following a successful share on Facebook with URL
https://www.facebook.com/sharer/sharer.php?&u=http%3A%2F%2Fwww.cars.com
a user is redirected to
https://www.facebook.com/dialog/return/close?#_=_
How can we set the redirect_uri without creating a facebook application?
https://developers.facebook.com/docs/sharing/reference/share-dialog contains no references to https://www.facebook.com/sharer/sharer.php