DoubleClick AdExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Underdog Media has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, News & Media and 59 other categories.
DoubleClick AdExchange is leading in Travel, Tourism, Accommodation & Hotels, Health and 30 other categories.
Underdog Media is leading in most countries, including United States, United Kingdom, Canada, India and 40 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 16 other countries.