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 37 other categories.
Zeta Search is leading in Online Marketing, Real Estate, Business Services, Accommodation & Hotels and 4 other categories.
TruEffect is leading in most countries, including United States, United Kingdom, Canada, Italy and 17 other countries.
Zeta Search is leading in Thailand, Armenia and India.