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 60 other categories.
TruEffect is leading in Business & Industry, Performing Arts, Marketing & Advertising, Transportation & Logistics and 22 other categories.
Vizu is leading in most countries, including India, United Kingdom, Canada, Brazil and 45 other countries.
TruEffect is leading in United States, Montenegro, Tuvalu, Algeria and 10 other countries.