Market Share by Top Websites

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

2 In terms of market share, AdAction is clearly lagging behind, losing to Mediaplex in all segments.

Websites Categories

1 Mediaplex has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Shopping and 215 other categories.

2 AdAction is leading in Social Sciences, Miniatures, Camps, Catering and one other category.

Geography

1 Mediaplex is leading in most countries, including United States, United Kingdom, France, Germany and 135 other countries.

2 AdAction is leading in Sweden, Norway, Denmark, Malta and one other country.