In terms of market share, Adpersia is clearly lagging behind, losing to Nster in all segments.
Adpersia has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Internet & Telecom, News & Media and 17 other categories.
Nster hasn't got a lead over Adpersia in any websites category.
Nster is leading in most countries, including United States.
Nster is leading in United States.