Knowledge Networks is leading in Top 10K Sites and Top 100K Sites.
ROI trax has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Career & Education and 28 other categories.
Knowledge Networks is leading in People & Society, News & Media, Arts & Entertainment, Food & Drink and 9 other categories.
ROI trax is leading in most countries, including United States, Poland, Taiwan, Australia and 12 other countries.
Knowledge Networks is leading in Congo, France and India.