Encore Metrics is leading in Top 100K Sites.
Observer has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Computer & Electronics, Internet & Telecom and 23 other categories.
Encore Metrics is leading in Travel, Accommodation & Hotels, Shopping, Health and 10 other categories.
Observer is leading in most countries, including Russia, France, Brazil, Spain and 5 other countries.
Encore Metrics is leading in United States, Japan, Australia, Zambia and 4 other countries.