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 44 other categories.
Zeta Search is leading in Finance, Online Marketing, Investing, Equestrian and 7 other categories.
TruEffect is leading in most countries, including United States, Japan, Italy, Germany and 20 other countries.
Zeta Search hasn't got a lead over TruEffect in any country.