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, Marchex 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 220 other categories.

2 Marchex is leading in Construction & Maintenance, Transportation & Logistics, Reference, Law and 13 other categories.


1 AppNexus is leading in most countries, including United States, France, Brazil, Germany and 207 other countries.

2 Marchex is leading in Aruba.