TruEffect is leading in Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including People & Society, Business & Industry, News & Media, Arts & Entertainment and 49 other categories.
Zeta Search is leading in Online Marketing, Investing, Business Services, Accommodation & Hotels and 3 other categories.
TruEffect is leading in most countries, including United States, India, Montenegro, Italy and 37 other countries.
Zeta Search is leading in Belgium, Philippines, Puerto Rico and Saudi Arabia.