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, Vocus 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 210 other categories.

2 Vocus is leading in Accounting, Disabled & Special Needs, Associations and Metals & Mining.


1 Mediaplex is leading in most countries, including United States, United Kingdom, Germany, France and 130 other countries.

2 Vocus is leading in Cayman Islands and Nepal.