mParticle is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Finance, Internet & Telecom, Health and 20 other categories.
mParticle is leading in Arts & Entertainment, Movies, Banking, Music & Audio and 12 other categories.
mParticle is leading in most countries, including United States, France, Russia, Brazil and 2 other countries.
Zeta Search is leading in Canada, Greece and India.