Market Share by Top Websites

1 DoubleClick 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 DoubleClick in all segments.

Websites Categories

1 DoubleClick has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Arts & Entertainment and 223 other categories.

2 Yahoo Ad Exchange is leading in People & Society, Fashion & Modeling, Animation & Comics, Humor and 10 other categories.

Geography

1 DoubleClick is leading in most countries, including United States, Russia, Japan, Poland and 206 other countries.

2 Yahoo Ad Exchange hasn't got a lead over DoubleClick in any country.