In terms of market share, Vertster is clearly lagging behind, losing to w3roi in all segments.
w3roi has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Arts & Entertainment, People & Society and 3 other categories.
Vertster is leading in Search Engine.
w3roi is leading in most countries, including United States, France, Russia, Hong Kong and 3 other countries.
Vertster is leading in Brazil.