mParticle is leading in Top 10K Sites and Top 100K Sites.
w3roi has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Computer & Electronics, Health and 29 other categories.
mParticle is leading in Arts & Entertainment, Banking, Finance, Movies and 9 other categories.
w3roi is leading in most countries, including United States, China, Canada, India and 10 other countries.
mParticle is leading in France, Singapore, Mexico and Germany.