Market Share by Top Websites

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

2 In terms of market share, Yahoo Ad Exchange is clearly lagging behind, losing to OpenX in all segments.

Websites Categories

1 OpenX has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, People & Society, Business & Industry and 239 other categories.

2 Yahoo Ad Exchange is leading in Credit and Loans & Mortgages.

Geography

1 OpenX is leading in most countries, including United States, Japan, France, Russia and 209 other countries.

2 Yahoo Ad Exchange is leading in Tonga.