Buysight is leading in Top 10K Sites, 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 20 other categories.
Buysight is leading in most countries, including United States, Canada, India, Hungary and 4 other countries.
Observer is leading in Russia, Japan, France, Argentina and 3 other countries.