Market Share by Top Websites

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

2 Despite its recent growth, Mediaplex is still behind AppNexus in all market share segments.

Websites Categories

1 AppNexus has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 180 other categories.

2 Mediaplex is leading in Computer & Electronics, Software, Online, Technology News and 37 other categories.


1 AppNexus is leading in most countries, including France, United States, Sweden, United Kingdom and 138 other countries.

2 Mediaplex is leading in Japan, China, Pakistan, Korea Republic and 21 other countries.