Market Share by Top Websites

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

2 Despite its recent growth, Atlas is still behind OpenX in all market share segments.

Websites Categories

1 OpenX has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, People & Society, Business & Industry and 236 other categories.

2 Atlas is leading in Insurance, Senior Health, Philosophy and Education & Resources.


1 OpenX is leading in most countries, including Japan, United States, France, Russia and 204 other countries.

2 Atlas is leading in Greenland and Samoa.