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, Arts & Entertainment, Games and 25 other categories.
Zeta Search is leading in Finance, Banking, Autos & Vehicles and Motorsports.
TruEffect is leading in most countries, including United States, Russia, Brazil, Poland and 21 other countries.
Zeta Search is leading in Nigeria.