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 34 other categories.
Observer is leading in Business & Industry, Computer & Electronics, Arts & Entertainment, People & Society and 16 other categories.
ClearSaleing is leading in most countries, including United States, Canada, United Kingdom, Germany and 14 other countries.
Observer is leading in Netherlands, Italy, Australia, Finland and one other country.