Buysight is leading in Top 100K Sites and Top 1M Sites.
Observer has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Computer & Electronics, Internet & Telecom and 24 other categories.
Buysight is leading in Travel, Accommodation & Hotels, Shopping, Health and 17 other categories.
Buysight is leading in most countries, including United States, Canada, Germany, India and 7 other countries.
Observer is leading in Russia, China, Brazil, United Kingdom and 4 other countries.