mParticle is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimost has better usage coverage in more websites categories. Including Finance, Business & Industry, Insurance, Travel and 21 other categories.
mParticle is leading in News & Media, Newspapers, Arts & Entertainment, Restaurants & Delivery and 11 other categories.
Optimost is leading in most countries, including United States, United Kingdom, Ireland, France and 26 other countries.
mParticle is leading in Canada, Brazil, Russia, Japan and 7 other countries.