Market Share by Top Websites

1 AppNexus is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, BuySellAds is clearly lagging behind, losing to AppNexus in all segments.

Websites Categories

1 AppNexus has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 205 other categories.

2 BuySellAds is leading in Computer & Electronics, Software, Jobs & Employment, Programming and 13 other categories.


1 AppNexus is leading in most countries, including France, United States, Sweden, United Kingdom and 144 other countries.

2 BuySellAds is leading in India, Indonesia, Japan, China and 16 other countries.