Encore Metrics is leading in Top 100K Sites.
Encore Metrics has better usage coverage in more websites categories. Including Travel, Accommodation & Hotels, Business & Industry, Shopping and 21 other categories.
Vertster is leading in Computer & Electronics, Internet & Telecom, Computer Hardware, Search Engine and 7 other categories.
Encore Metrics is leading in most countries, including United States, Japan, Australia, Belgium and 5 other countries.
Vertster is leading in Brazil, Malaysia and China.