Ad Spirit is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Sports, Soccer, Travel, Health and 60 other categories.
Double.net is leading in Business & Industry, People & Society, Arts & Entertainment, Internet & Telecom and 57 other categories.
Double.net is leading in most countries, including Sweden, Niue, Finland, Norway and 29 other countries.
Ad Spirit is leading in Germany, Poland, Austria, Switzerland and 20 other countries.