TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including News & Media, Business & Industry, TV & Video, Travel and 22 other categories.
Vizu is leading in Arts & Entertainment, People & Society, Computer & Electronics, Internet & Telecom and 21 other categories.
Vizu is leading in most countries, including Indonesia, Russia, United Kingdom, Netherlands and 14 other countries.
TruEffect is leading in United States, Japan, France, Benin and 12 other countries.