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, Banking, Equestrian and 2 other categories.
TruEffect is leading in most countries, including United States, India, Montenegro, United Kingdom and 38 other countries.
Zeta Search is leading in China, Belgium, Puerto Rico, South Africa and 2 other countries.