SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
5,384 of 10,000

53.8%

Quantcast Top 100k
48,088 of 100,000

48.1%

BuiltWith Top Million
339,667 of 823,409

41.3%

Entire Internet
41,973,659 of 371,396,617

11.3%

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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 41,973,659 live websites using SPF in our records.

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Get a list of websites using SPF

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Standard

DKIM

34,381 websites

DMARC

35,637 websites

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