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 22 other categories.
Encore Metrics is leading in Travel, Accommodation & Hotels, Shopping, Universities & Colleges and 12 other categories.
Observer is leading in most countries, including Russia, China, Switzerland, Brazil and 8 other countries.
Encore Metrics is leading in United States, Belize, Puerto Rico, Philippines and 5 other countries.