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, SiteScout 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, Business & Industry, Internet & Telecom and 211 other categories.

2 SiteScout is leading in Adult, Movies, Technology News, Celebrities & Entertainment News and 18 other categories.


1 AppNexus is leading in most countries, including United States, France, United Kingdom, India and 197 other countries.

2 SiteScout is leading in Sri Lanka, Timor-Leste, Seychelles, Northern Mariana Islands and one other country.