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 Atlas has better usage coverage in more websites categories. Including Business & Industry, News & Media, Computer & Electronics, Shopping and 123 other categories.

2 Yahoo Ad Exchange is leading in People & Society, Arts & Entertainment, Internet & Telecom, Web Hosting and 90 other categories.


1 Atlas is leading in most countries, including Germany, France, Italy, United States and 160 other countries.

2 Yahoo Ad Exchange is leading in Canada, Mexico, Spain, Taiwan and 25 other countries.