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 22 other categories.
Buysight is leading in Travel, Accommodation & Hotels, Shopping, Sports and 18 other categories.
Observer is leading in most countries, including Russia, Germany, Montenegro, Netherlands and 11 other countries.
Buysight is leading in United States, Canada, Austria, Italy and 9 other countries.