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 People & Society, Computer & Electronics, Internet & Telecom, Computer Hardware and 8 other categories.
Encore Metrics is leading in most countries, including United States, Japan, Colombia, United Kingdom and 6 other countries.
Vertster is leading in China and Australia.