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 68 other categories.
TruEffect is leading in Business & Industry, Performing Arts, Transportation & Logistics, Career & Education and 16 other categories.
TruEffect is leading in most countries, including United States, Japan, Italy, Germany and 14 other countries.
Vizu is leading in India, Indonesia, Canada, Malaysia and 10 other countries.