In terms of market share, Adpersia is clearly lagging behind, losing to ClearSearch in all segments.
Adpersia has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, People & Society, News & Media and 21 other categories.
ClearSearch hasn't got a lead over Adpersia in any websites category.
ClearSearch is leading in most countries, including Canada.
ClearSearch is leading in Canada.