ClearSaleing is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
ClearSaleing has better usage coverage in more websites categories. Including Travel, Accommodation & Hotels, Shopping, Health and 22 other categories.
Observer is leading in Computer & Electronics, Arts & Entertainment, People & Society, Software and 7 other categories.
ClearSaleing is leading in most countries, including United States, Canada, Spain, France and 22 other countries.
Observer is leading in Brazil, Greece, Italy, Lithuania and one other country.