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comScore ScorecardResearch is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
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In terms of market share, Yandex Verification is clearly lagging behind, losing to comScore ScorecardResearch in all segments.
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comScore ScorecardResearch has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Adult, Lifestyle and 19 other categories.
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Yandex Verification is leading in Heavy Industry & Engineering.
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comScore ScorecardResearch is leading in most countries, including United States, France, Canada, Taiwan and 140 other countries.
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Yandex Verification is leading in Russia, Turkey, Ukraine, Belarus and 18 other countries.