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 70 other categories.
TruEffect is leading in Computer & Electronics, Performing Arts, TV & Video, Finance and 20 other categories.
TruEffect is leading in most countries, including United States, Japan, Russia, India and 13 other countries.
YellowTracker is leading in Netherlands, Belgium, France, Germany and 10 other countries.