Back Beat Media is leading in Top 100K 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.
Back Beat Media hasn't got a lead over Six Apart Advertising in any websites category.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Switzerland and 9 other countries.
Back Beat Media is leading in Chile and Spain.