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, Clothing and 33 other categories.
Observer is leading in Business & Industry, Computer & Electronics, Arts & Entertainment, People & Society and 18 other categories.
ClearSaleing is leading in most countries, including United States, Canada, Germany, France and 13 other countries.
Observer is leading in Russia, Ukraine, Turkey and Czech Republic.