Six Apart Advertising is leading in Top 10K Sites and Top 100K Sites.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Humor and 55 other categories.
Spark Studios is leading in Energy, Weight Loss, Adult, Basketball and 6 other categories.
Six Apart Advertising is leading in most countries, including United States, India, United Kingdom, Turkey and 9 other countries.
Spark Studios hasn't got a lead over Six Apart Advertising in any country.