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, Atlas 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 238 other categories.

2 Atlas is leading in Insurance and Senior Health.


1 OpenX is leading in most countries, including United States, Japan, France, Russia and 203 other countries.

2 Atlas is leading in Grenada, Samoa, Tonga, Sierra Leone and one other country.