In terms of market share, Harren Media is clearly lagging behind, losing to Microsoft adCenter Conversion in all segments.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 85 other categories.
Harren Media is leading in Arts & Entertainment, People & Society, TV & Video, Movies and 28 other categories.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, Canada, France and 32 other countries.
Harren Media is leading in Brazil, Mexico, Spain, Argentina and 13 other countries.