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 19 other categories.
Buysight is leading in most countries, including United States, Canada, India, United Kingdom and 9 other countries.
Observer is leading in Russia, Netherlands, Japan, Brazil and 5 other countries.