Quantcast Top 10k3,775 of 10,000
Quantcast Top 100k25,148 of 100,000
Quantcast Top Million142,133 of 874,719
Entire Internet5,141,145 of 328,831,848
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This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.
We know of 5,141,145 live websites using Facebook SDK in our records.
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