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, News & Media and 56 other categories.
TruEffect is leading in Internet & Telecom, TV & Video, Performing Arts, Computer & Electronics and 20 other categories.
TruEffect is leading in most countries, including United States, Japan, India, United Kingdom and 14 other countries.
YellowTracker is leading in Netherlands, Belgium, Germany, Poland and 8 other countries.