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 65 other categories.
TruEffect is leading in Performing Arts, Marketing & Advertising, Transportation & Logistics, Career & Education and 13 other categories.
Vizu is leading in most countries, including Indonesia, India, Canada, Germany and 17 other countries.
TruEffect is leading in United States, United Kingdom, Japan, Italy and 8 other countries.