In terms of market share, Adpersia is clearly lagging behind, losing to Visible Measures in all segments.
Adpersia has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, News & Media and 17 other categories.
Visible Measures hasn't got a lead over Adpersia in any websites category.
Visible Measures is leading in most countries, including United States.
Visible Measures is leading in United States.