Market Share by Top Websites

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

2 Despite its recent growth, AdScale is still behind Mediaplex in all market share segments.

Websites Categories

1 Mediaplex has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Shopping and 186 other categories.

2 AdScale is leading in Internet & Telecom, Software, Games, Video Games and 21 other categories.


1 AdScale is leading in most countries, including Germany, Indonesia, India, Brazil and 72 other countries.

2 Mediaplex is leading in United States, United Kingdom, France, Australia and 61 other countries.