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 59 other categories.
TruEffect is leading in Business & Industry, Performing Arts, Transportation & Logistics, Career & Education and 20 other categories.
Vizu is leading in most countries, including India, Great Britain, Canada, Germany and 40 other countries.
TruEffect is leading in United States, Montenegro, Estonia, Central African Republic and 6 other countries.