Buysight is leading in Top 100K Sites and Top 1M Sites.
Observer has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Arts & Entertainment, People & Society and 23 other categories.
Buysight is leading in Travel, Accommodation & Hotels, Shopping, Health and 17 other categories.
Observer is leading in most countries, including Russia, Germany, Ukraine, Spain and 5 other countries.
Buysight is leading in United States, Canada, Singapore, Philippines and 4 other countries.