Market Share by Top Websites

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

2 In terms of market share, Yahoo Advertising is clearly lagging behind, losing to Adzerk in all segments.

Websites Categories

1 Adzerk has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Sports, Business & Industry and 150 other categories.

2 Yahoo Advertising is leading in Business News, Military & Defense, Sports News, Fantasy Sports and 2 other categories.


1 Adzerk is leading in most countries, including France, United States, Poland, Belgium and 99 other countries.

2 Yahoo Advertising is leading in Brazil, Taiwan, Brunei Darussalam, Slovenia and one other country.