In terms of market share, Six Apart Advertising is clearly lagging behind, losing to Spark Studios in all segments.
Six Apart Advertising has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 56 other categories.
Spark Studios is leading in Adult, Lottery, Antiques & Collectibles, Weight Loss and one other category.
Six Apart Advertising is leading in most countries, including United States, United Kingdom, India, Canada and 8 other countries.
Spark Studios is leading in France, Colombia, Hungary, Australia and 2 other countries.