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 66 other categories.
TruEffect is leading in Performing Arts, Career & Education, Travel, Accounting and 16 other categories.
Vizu is leading in most countries, including India, Canada, Australia, Indonesia and 10 other countries.
TruEffect is leading in United States, Japan, France, Pakistan and 7 other countries.