Interpolls is leading in Top 10K Sites and Top 100K Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Humor, Computer & Electronics and 45 other categories.
Interpolls is leading in People & Society, Adult, Movies, Finance and 10 other categories.
Interpolls is leading in most countries, including Russia, Brazil, India, Australia and 9 other countries.
Six Apart Advertising is leading in United States, United Kingdom, Sweden, Viet Nam and 4 other countries.