Mercent is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Mercent has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, Home & Garden and 62 other categories.
Simple AdServer is leading in Software and Motorsports.
Mercent is leading in most countries, including United States, Canada, United Kingdom, Spain and 85 other countries.
Simple AdServer is leading in Hungary.