1
Quantcast is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
Despite its recent growth, Sophus3 is still behind Quantcast in all market share segments.
1
Quantcast has better usage coverage in more websites categories. Including Games, Arts & Entertainment, Computers Electronics & Technology, Science & Education and 20 other categories.
2
Sophus3 hasn't got a lead over Quantcast in any websites category.
1
Quantcast is leading in most countries, including United States, United Kingdom, France, Canada and 158 other countries.
2
Sophus3 hasn't got a lead over Quantcast in any country.