In terms of market share, Advertise.com is clearly lagging behind, losing to ClearSearch in all segments.
Advertise.com has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, Health and 12 other categories.
ClearSearch is leading in Arts & Entertainment.
Advertise.com is leading in most countries, including United States, Saudi Arabia, Brazil, China and 4 other countries.
ClearSearch hasn't got a lead over Advertise.com in any country.