DoubleClick AdExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
SpecificClick has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Religion & Spirituality and 120 other categories.
DoubleClick AdExchange is leading in Travel, Tourism, Accommodation & Hotels, Weather and 4 other categories.
SpecificClick is leading in most countries, including United States, United Kingdom, France, Norway and 36 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 19 other countries.