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, Business & Industry and 41 other categories.
Observer is leading in Arts & Entertainment, Computer & Electronics, Internet & Telecom, People & Society and 15 other categories.
ClearSaleing is leading in most countries, including United States, Montenegro, United Kingdom, Canada and 22 other countries.
Observer is leading in Russia, Netherlands, Sweden, Switzerland and 5 other countries.