毎日新聞デジタルは毎日新聞のニュースサイト。政治、経済、国際、事件、話題、スポーツなどの速報、写真、動画、英語版（The Mainichi）を掲載しています。
mainichi.jp 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 mainichi.jp against.