In terms of market share, AdPerium is clearly lagging behind, losing to ClearSearch in all segments.
AdPerium has better usage coverage in more websites categories. Including Internet & Telecom, People & Society and Web Hosting.
ClearSearch is leading in Arts & Entertainment.
AdPerium is leading in most countries, including United States, Mexico, South Korea and China.
ClearSearch hasn't got a lead over AdPerium in any country.