Emma is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Emma has better usage coverage in more websites categories. Including Business & Industry, Career & Education, People & Society, Arts & Entertainment and 114 other categories.
WhatCounts is leading in News & Media, Home & Garden, Magazines & E-Zines, Newspapers and 11 other categories.
Emma is leading in most countries, including United States, United Kingdom, Canada, Australia and 31 other countries.
WhatCounts is leading in Croatia, Estonia, Greece, Lithuania and 4 other countries.