SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
7,018 of 10,000

70.2%

Quantcast Top 100k
61,076 of 100,000

61.1%

BuiltWith Top Million
466,497 of 807,683

57.8%

Entire Internet
56,538,951 of 374,464,659

15.1%

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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

Legend

Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

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.

View Website List

Get a list of websites using SPF

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Standard

Sender ID

331,078 websites

DKIM

53,157 websites

DMARC

53,134 websites

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