Market Share by Top Websites

1 Adtech 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 Adtech in all segments.

Websites Categories

1 Adtech has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Adult, Music & Audio and 166 other categories.

2 Yahoo Ad Exchange is leading in Internet & Telecom, Web Hosting, Finance, Real Estate and 53 other categories.


1 Adtech is leading in most countries, including Czech Republic, United States, Germany, United Kingdom and 109 other countries.

2 Yahoo Ad Exchange is leading in Japan, Taiwan, Brazil, Mexico and 46 other countries.