TruEffect is leading in Top 100K Sites and Top 1M Sites.
YellowTracker has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Shopping and 37 other categories.
TruEffect is leading in News & Media, TV & Video, Philanthropy, Games and 11 other categories.
TruEffect is leading in most countries, including United States, Japan, Italy, Venezuela and 11 other countries.
YellowTracker is leading in Netherlands, Belgium, Germany, United Kingdom and 6 other countries.