ContentClick is leading in Top 100K Sites and Top 1M Sites.
ContentClick has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Sports, News & Media and 83 other categories.
Simple AdServer is leading in Consumer Electronics and Motorsports.
ContentClick is leading in most countries, including United Kingdom, United States, Poland, Russia and 28 other countries.
Simple AdServer is leading in Hungary.