In terms of market share, Adpersia is clearly lagging behind, losing to Alphabird in all segments.
Adpersia has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, People & Society, News & Media and 21 other categories.
Alphabird is leading in Autos & Vehicles, Universities & Colleges, Awards and Car Buying.
Alphabird is leading in most countries, including United States.
Alphabird is leading in United States.