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, Computer Hardware, Food & Drink, Computer Security and 6 other categories.
Encore Metrics is leading in most countries, including United States, Japan, Canada, Puerto Rico and 6 other countries.
Vertster is leading in China.