mParticle is leading in Top 100K Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Health, Online Marketing and 19 other categories.
mParticle is leading in Arts & Entertainment, Collecting, Recreation & Hobbies, Mobile Developers and 3 other categories.
Zeta Search is leading in most countries, including United States, Canada and India.
mParticle is leading in France.