udn.com 提供即時新聞以及豐富的政治、社會、地方、兩岸、國際、財經、數位、運動、NBA、娛樂、生活、健康、旅遊新聞，以最即時、多元的內容，滿足行動世代的需求。
udn.com appears in the published seller files of 1 advertising network. Each row below is that network's own declaration that it is authorised to sell this site's inventory, with the date the relationship first appeared in the record.
Same niche, closest authority score — the competitive set a network would compare udn.com against.