comScore ScorecardResearch
741,333 websites

comScore ScorecardResearch is free to use

http://www.fullcirclestudies.com/scorecardresearch.aspx

ScorecardResearch is service of Full Circle Studies, Inc., is part of the comScore, Inc. market research community, a leading global market research effort that studies and reports on Internet trends and behavior. Here are all the websit...

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Quantcast
274,085 websites

Quantcast is free to use

http://www.quantcast.com/

Quantcast helps advertisers and publishers better understand, find and access targeted audiences in real-time. Marketers use Quantcast to amplify their targeting and reach consumers who look just like their best performing customers with un...

Market Share by Top Websites

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

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

Websites Categories

1 comScore ScorecardResearch has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Adult, Lifestyle and 19 other categories.

2 Quantcast is leading in Heavy Industry & Engineering.

Geography

1 comScore ScorecardResearch is leading in most countries, including United States, Russia, France, Canada and 116 other countries.

2 Quantcast is leading in Japan, Hungary, Greece, Vietnam and 35 other countries.