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, Computer & Electronics, Health and 26 other categories.
mParticle is leading in Arts & Entertainment, Shopping, Movies, Music & Audio and 13 other categories.
w3roi is leading in most countries, including China, Brazil, India, Canada and 5 other countries.
mParticle is leading in United States, France, Latvia, New Zealand and 3 other countries.