In terms of market share, eProof is clearly lagging behind, losing to w3roi in all segments.
w3roi has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Arts & Entertainment and 7 other categories.
eProof is leading in News & Media.
w3roi is leading in most countries, including United States, China, India, Russia and 4 other countries.
eProof hasn't got a lead over w3roi in any country.