mParticle is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
w3roi has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Health, Computer & Electronics and 28 other categories.
mParticle is leading in Arts & Entertainment, Movies, Finance, Banking and 10 other categories.
w3roi is leading in most countries, including Afghanistan, China, Netherlands, Chile and 6 other countries.
mParticle is leading in United States, France, India and Brazil.