SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
6,642 of 10,000

66.4%

Quantcast Top 100k
56,828 of 100,000

56.8%

BuiltWith Top Million
360,181 of 816,644

44.1%

Entire Internet
42,087,801 of 371,379,453

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 42,087,801 live websites using SPF in our records.

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Get a list of websites using SPF

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Standard

DKIM

34,823 websites

DMARC

36,144 websites

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