One of the most common blunders by those using article
marketing to distribute free reprint articles is to include
periods after domain names at the end of sentences. Surely
those authors who have made this blunder realize that if that
period gets included in the URL, the link will lead to a 404
error or "Page Not Found" message any time a visitor clicks on
your link from any web site that used your articles.
Publishers complicate things by not visiting links included in
author resource boxes an.