In terms of market share, Harren Media is clearly lagging behind, losing to Simple AdServer in all segments.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 50 other categories.
Simple AdServer is leading in Sports, Motorsports and Consumer Electronics.
Harren Media is leading in most countries, including Brazil, Argentina, United States, United Kingdom and 23 other countries.
Simple AdServer is leading in Hungary and Chile.