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 54 other categories.
AdTotal is leading in Soccer, Adult, Autos & Vehicles, Games and 8 other categories.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Zambia and 10 other countries.
AdTotal is leading in Poland, China, Belarus, France and 3 other countries.