C3 Metrics is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
C3 Metrics has better usage coverage in more websites categories. Including Arts & Entertainment, Travel, Business & Industry, Accommodation & Hotels and 71 other categories.
ClearSearch hasn't got a lead over C3 Metrics in any websites category.
C3 Metrics is leading in most countries, including United States, Russia, Canada, United Kingdom and 28 other countries.
ClearSearch is leading in Pakistan.