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, Health, Accommodation & Hotels and 25 other categories.
Underdog Media is leading in most countries, including United States, United Kingdom, India, Brazil and 41 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 12 other countries.