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 17 other categories.
ClearSaleing is leading in most countries, including United States, Canada, United Kingdom, France and 20 other countries.
Observer is leading in Russia, Moldova and Tunisia.