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, Sports and 12 other categories.
Encore Metrics is leading in most countries, including United States, Japan, France, Venezuela and 6 other countries.
Observer is leading in Russia, China, Germany, United Kingdom and 5 other countries.