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 42 other categories.
Observer is leading in Business & Industry, Computer & Electronics, Arts & Entertainment, Internet & Telecom and 19 other categories.
ClearSaleing is leading in most countries, including United States, Canada, France, United Kingdom and 23 other countries.
Observer is leading in Russia, Brazil, Lao, Italy and one other country.