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, Business & Industry, Arts & Entertainment, Soccer and 93 other categories.
WebTrends Ads is leading in Computer Hardware, Law & Government and Law.
Ad Spirit is leading in most countries, including Germany, Austria, United States, Switzerland and 28 other countries.
WebTrends Ads is leading in Indonesia, Tunisia, Peru, Japan and 2 other countries.