AdPlan is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
iCrossing has better usage coverage in more websites categories. Including People & Society, Shopping, News & Media, Religion & Spirituality and 98 other categories.
AdPlan is leading in Business & Industry, Arts & Entertainment, Career & Education, Marketing & Advertising and 63 other categories.
iCrossing is leading in most countries, including United States, United Kingdom, Brazil, Italy and 56 other countries.
AdPlan is leading in Japan, Taiwan, China, Korea Republic and 6 other countries.