Market Share by Top Websites

1 Yahoo! Overture is leading in The Entire Web.

2 AdReactor is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Yahoo! Overture has better usage coverage in more websites categories. Including Internet & Telecom, Domain Names & Register, Business & Industry, Arts & Entertainment and 222 other categories.

2 AdReactor hasn't got a lead over Yahoo! Overture in any websites category.

Geography

1 Yahoo! Overture is leading in most countries, including United States, Japan, Philippines, Hong Kong and 125 other countries.

2 AdReactor is leading in Indonesia, Armenia, Namibia, Luxembourg and 5 other countries.