Online businesses recognize that not only is the global eCommerce opportunity massive, but a global presence is necessary to be competitive in today's retail landscape. One of the major hurdles eBusiness professionals face when thinking about a global strategy is how to benchmark their efforts. For eBusiness professionals who have an existing global business, this report outlines which metrics they should use to measure themselves and to optimize their efforts in new markets. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.