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 Business & Industry, Internet & Telecom, Health, Computer & Electronics and 32 other categories.
Vertster is leading in Computer Hardware, Science, Agriculture & Forestry, Computer Security and 3 other categories.
w3roi is leading in most countries, including United States, Brazil, China, Russia and 3 other countries.
Vertster hasn't got a lead over w3roi in any country.