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, Computer & Electronics, Health and 30 other categories.
Vertster is leading in Computer Hardware, Computer Security, Food & Drink, Relationships & Dating and 3 other categories.
w3roi is leading in most countries, including United States, China, Brazil, India and 6 other countries.
Vertster hasn't got a lead over w3roi in any country.