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 58 other categories.
AdTotal is leading in Business & Industry, Soccer, Autos & Vehicles, Adult and 8 other categories.
Six Apart Advertising is leading in most countries, including United States, India, United Kingdom, Brazil and 35 other countries.
AdTotal is leading in Poland, Tuvalu, Austria, Pakistan and one other country.