SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
5,382 of 10,000

53.8%

Quantcast Top 100k
46,281 of 100,000

46.3%

BuiltWith Top Million
346,061 of 815,251

42.4%

Entire Internet
48,129,531 of 370,447,776

13%

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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

We know of 48,129,531 live websites using SPF in our records.

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Standard

DMARC

31,942 websites

DKIM

39,345 websites

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