In terms of market share, Encore Metrics is clearly lagging behind, losing to Vertster in all segments.
Encore Metrics has better usage coverage in more websites categories. Including Travel, Arts & Entertainment, Business & Industry, Law & Government and one other category.
Vertster hasn't got a lead over Encore Metrics in any websites category.
Encore Metrics is leading in most countries, including Japan, United States, Mexico, Russia and 2 other countries.
Vertster is leading in Germany.