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, News & Media and 116 other categories.
DoubleClick AdExchange is leading in Travel, Tourism, Accommodation & Hotels, Pets & Animals and 10 other categories.
SpecificClick is leading in most countries, including United States, United Kingdom, Brazil, Norway and 40 other countries.
DoubleClick AdExchange is leading in Germany, China, Turkey, Spain and 20 other countries.