DoubleClick AdExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Silverpop has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Death and 95 other categories.
DoubleClick AdExchange is leading in News & Media, Travel, Tourism, Music & Audio and 26 other categories.
Silverpop is leading in most countries, including United States, United Kingdom, Australia, Czech Republic and 40 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 15 other countries.