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 54 other categories.
DoubleClick AdExchange is leading in Travel, Tourism, Music & Audio, Health and 33 other categories.
Underdog Media is leading in most countries, including United States, United Kingdom, Canada, India and 42 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 13 other countries.