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, Impresiones Web 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, Business & Industry, Shopping, News & Media and 199 other categories.

2 Impresiones Web is leading in People & Society, Adult, TV & Video, Video Games and 10 other categories.

Geography

1 Mediaplex is leading in most countries, including United States, United Kingdom, France, Germany and 113 other countries.

2 Impresiones Web is leading in Spain, Mexico, Argentina, Peru and 16 other countries.