Market Share by Top Websites

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

2 AdScale is leading in Top 1M Sites.

Websites Categories

1 Mediaplex has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Shopping and 187 other categories.

2 AdScale is leading in Internet & Telecom, Games, Software, Video Games and 27 other categories.


1 AdScale is leading in most countries, including Germany, Indonesia, Brazil, India and 73 other countries.

2 Mediaplex is leading in United States, United Kingdom, France, Australia and 66 other countries.