Ad Spirit is leading in 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 86 other categories.
YieldBuild is leading in Law, Law & Government, Computer Hardware, Business Services and 3 other categories.
YieldBuild is leading in most countries, including United States, India, Australia, Indonesia and 17 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Spain and 16 other countries.