SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
7,404 of 10,000

74%

Quantcast Top 100k
63,650 of 100,000

63.6%

BuiltWith Top Million
512,501 of 969,257

52.9%

Entire Internet
56,495,321 of 374,469,318

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 56,495,321 live websites using SPF in our records.

View Website List

Get a list of websites using SPF

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Standard

Sender ID

330,235 websites

DKIM

53,016 websites

DMARC

53,197 websites

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