DoubleClick AdExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
DoubleClick AdExchange has better usage coverage in more websites categories. Including News & Media, Travel, Arts & Entertainment, Tourism and 58 other categories.
Mercent is leading in Shopping, Business & Industry, Clothing, People & Society and 57 other categories.
Mercent is leading in most countries, including United States, Russia, United Kingdom, France and 31 other countries.
DoubleClick AdExchange is leading in Germany, China, Netherlands, Turkey and 30 other countries.