Quantcast Top 10k7,018 of 10,000
Quantcast Top 100k61,076 of 100,000
BuiltWith Top Million466,497 of 807,683
Entire Internet56,538,951 of 374,464,659
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The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
http://www.openspf.org/
Categories: Email Hosting Providers · Standard
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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 56,538,951 live websites using SPF in our records.
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Sender ID
331,078 websites
DKIM
53,157 websites
DMARC
53,134 websites
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