AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 51 other categories.
AdTotal is leading in Business & Industry, Sports, Internet & Telecom, Soccer and 12 other categories.
Six Apart Advertising is leading in most countries, including United States, Germany, India, United Kingdom and 11 other countries.
AdTotal is leading in Poland, Iran, Korea Republic and France.