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 61 other categories.
TruEffect is leading in Performing Arts, Marketing & Advertising, Career & Education, Transportation & Logistics and 18 other categories.
Vizu is leading in most countries, including India, Indonesia, Canada, Germany and 12 other countries.
TruEffect is leading in United States, Japan, France, Greece and 11 other countries.