referrer-policy

HTTP response header

Referrer-Policy is a security header that can (and should) be included on communication from your website's server to a client. The Referrer-Policy tells the web-browser how to handle referrer information that is sent to websites when a user clicks a link that leads to another page or website

Header usage statistics

referrer-policy response header information and usage statistics.

Websites using header referrer-policy3,569,915
Percentage of websites that use referrer-policy header3.54%
Total discovered header values420
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country US

referrer-policy directives (8 total)

  • no-referrer
  • no-referrer-when-downgrade
  • origin
  • origin-when-cross-origin
  • same-origin
  • strict-origin
  • strict-origin-when-cross-origin
  • unsafe-url

referrer-policy Directives

referrer-policy directives value information and usage statistics

DirectiveShareWebsites countUnique Values
no-referrer-when-downgrade37.16%1,326,5151
strict-origin-when-cross-origin34.18%1,220,0561
same-origin14.27%509,5171
no-referrer6.63%236,5731
origin-when-cross-origin4.45%158,9831
strict-origin3.07%109,6871
unsafe-url2.74%97,9571
origin1.79%63,8871

Distribution by websites popularity

referrer-policy detection in the top websites by popularity

Top 10k sites1,464 websites
Top 100k sites12,417 websites
Top 1m sites101,891 websites

Websites utilizing referrer-policy

List of websites that use referrer-policy header

DomainCountryRankContacts
github.com US21
www.pinterest.com US32
fonts.adobe.com US75
login.microsoftonline.com US83
finance.yahoo.com US102
statcounter.com US129
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common referrer-policy header values

Header valueValue prevalence
no-referrer-when-downgrade35.67%
strict-origin-when-cross-origin30.30%
same-origin14.15%
no-referrer5.39%
strict-origin3.04%
origin-when-cross-origin2.98%
unsafe-url2.72%
origin1.71%
origin-when-cross-origin, strict-origin-when-cross-origin1.43%
no-referrer-when-downgrade, strict-origin-when-cross-origin1.24%
no-referrer, strict-origin-when-cross-origin1.05%
yes0.03%
default, no-referrer-when-downgrade0.02%
no-referrer, same-origin0.02%
'same-origin'0.02%
value0.01%
no-referrer, strict-origin-when-cross-origin, no-referrer-when-downgrade0.01%
same-origin,no-referrer-when-downgrade0.01%
origin, strict-origin-when-cross-origin0.01%
sameorigin0.01%