ContentClick is leading in Top 100K Sites and Top 1M Sites.
Undertone Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Shopping, Business & Industry and 57 other categories.
ContentClick is leading in Arts & Entertainment, Sports, Soccer, Music & Audio and 47 other categories.
ContentClick is leading in most countries, including United Kingdom, Russia, Australia, Ireland and 26 other countries.
Undertone Networks is leading in United States, Poland, Japan, Germany and 12 other countries.