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 26 other categories.
Observer is leading in Computer & Electronics, Arts & Entertainment, Internet & Telecom, Web Design and 4 other categories.
ClearSaleing is leading in most countries, including United States, France, United Kingdom, Spain and 19 other countries.
Observer is leading in Brazil.