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, NetAffiliation 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 176 other categories.

2 NetAffiliation is leading in People & Society, Internet & Telecom, Domain Names & Register, Adult and 32 other categories.


1 Mediaplex is leading in most countries, including United States, United Kingdom, Germany, India and 117 other countries.

2 NetAffiliation is leading in France, Portugal, Brazil, Spain and 21 other countries.