TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including News & Media, People & Society, Business & Industry, Arts & Entertainment and 47 other categories.
Zeta Search is leading in Online Marketing, Investing, Business Services, Banking and 4 other categories.
TruEffect is leading in most countries, including United States, Japan, Russia, Brazil and 18 other countries.
Zeta Search is leading in Canada, India, Korea Republic, Mozambique and one other country.