Market Share by Top Websites

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

2 In terms of market share, Segment is clearly lagging behind, losing to Quantcast in all segments.

Websites Categories

1 Quantcast has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Science & Education, Computers Electronics & Technology and 17 other categories.

2 Segment is leading in Finance, Business & Consumer Services and Jobs & Career.


1 Quantcast is leading in most countries, including United States, United Kingdom, Japan, France and 149 other countries.

2 Segment is leading in South Korea, Singapore, Nigeria, Estonia and 5 other countries.