Quantcast Top 10k3,809 of 10,000
Quantcast Top 100k28,396 of 100,000
BuiltWith Top Million217,583 of 819,331
Entire Internet5,878,700 of 370,442,435
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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 5,878,700 live websites using Facebook SDK in our records.
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