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, Mediaplex 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 224 other categories.

2 Mediaplex is leading in Online, Sports, History, Fantasy Sports and 7 other categories.

Geography

1 AppNexus is leading in most countries, including United States, France, United Kingdom, India and 190 other countries.

2 Mediaplex is leading in Guernsey and Eritrea.