mParticle is leading in Top 10K Sites and Top 100K Sites.
Optimost has better usage coverage in more websites categories. Including Finance, Business & Industry, Insurance, People & Society and 60 other categories.
mParticle is leading in News & Media, Newspapers, TV & Video, Food & Drink and 8 other categories.
Optimost is leading in most countries, including United States, United Kingdom, Australia, India and 50 other countries.
mParticle is leading in Canada, Japan, Austria and Lebanon.