TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including People & Society, News & Media, Business & Industry, Arts & Entertainment and 39 other categories.
Zeta Search is leading in Online Marketing, Equestrian, Accommodation & Hotels, Business Services and 4 other categories.
TruEffect is leading in most countries, including United States, Germany, India, Japan and 17 other countries.
Zeta Search hasn't got a lead over TruEffect in any country.