Market Share by Top Websites

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

2 In terms of market share, Effective Measure is clearly lagging behind, losing to Nielsen NetRatings in all segments.

Websites Categories

1 Nielsen NetRatings has better usage coverage in more websites categories. Including Business & Industry, Marketing & Advertising, Arts & Entertainment, Food & Drink and 212 other categories.

2 Effective Measure is leading in Real Estate, Technology News, TV & Video, Animation & Comics and 8 other categories.

Geography

1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Spain and 132 other countries.

2 Effective Measure is leading in Indonesia, Thailand, South Africa, Malaysia and 36 other countries.