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 29 other categories.
mParticle is leading in Arts & Entertainment, Banking, Finance, Movies and 10 other categories.
w3roi is leading in most countries, including Brazil, India, Pakistan, Sweden and 9 other countries.
mParticle is leading in United States, France, Russia and El Salvador.