TruEffect is leading in Top 100K Sites and Top 1M Sites.
Vizu has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Technology News and 63 other categories.
TruEffect is leading in Performing Arts, Marketing & Advertising, Career & Education, Transportation & Logistics and 16 other categories.
TruEffect is leading in most countries, including United States, Japan, United Kingdom, Switzerland and 14 other countries.
Vizu is leading in Indonesia, India, Russia, Australia and 12 other countries.