Quantcast Top 10k3,953 of 10,000
Quantcast Top 100k27,442 of 100,000
BuiltWith Top Million222,854 of 942,376
Entire Internet5,521,945 of 370,393,936
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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 5,521,945 live websites using Facebook SDK in our records.
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