Market Share by Top Websites

1 Atlas 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 Atlas in all segments.

Websites Categories

1 Yahoo Ad Exchange has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Web Hosting and 109 other categories.

2 Atlas is leading in News & Media, Computer & Electronics, Software, Shopping and 104 other categories.


1 Atlas is leading in most countries, including United States, France, United Kingdom, India and 156 other countries.

2 Yahoo Ad Exchange is leading in Japan, Taiwan, Malaysia, Hong Kong and 11 other countries.