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
HTTP response headerReferrer-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-Policy | 458,173 |
| Percentage of websites that use Referrer-Policy header | 4.01% |
| Total discovered header values | 161 |
| Header uses directives | Yes |
| Header values are unique or random | No |
| Most popular in the country | 
United States of America
|
Referrer-Policy Directives
Referrer-Policy directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|---|---|---|
| strict-origin-when-cross-origin | 29.38% | 134,594 | 1 |
| no-referrer-when-downgrade | 23.95% | 109,730 | 1 |
| same-origin | 14.47% | 66,296 | 1 |
| no-referrer | 3.31% | 15,171 | 1 |
| unsafe-url | 2.17% | 9,922 | 1 |
| origin-when-cross-origin | 1.57% | 7,210 | 1 |
| strict-origin | 1.21% | 5,550 | 1 |
| origin | 0.93% | 4,247 | 1 |
Distribution by websites popularity
Referrer-Policy detection in the top websites by popularity| Top 10k sites | 872 websites |
| Top 100k sites | 4,530 websites |
| Top 1m sites | 38,641 websites |
Websites utilizing Referrer-Policy
List of websites that use Referrer-Policy header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
United States of America
|
23 | |
|
|
United States of America
|
52 | |
|
|
United States of America
|
57 | |
|
|
United States of America
|
60 | |
|
|
United States of America
|
60 | |
|
|
United States of America
|
73 |
Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common Referrer-Policy header values| Header value | Value prevalence |
|---|---|
| strict-origin-when-cross-origin | 36.02% |
| no-referrer-when-downgrade | 31.68% |
| same-origin | 18.22% |
| no-referrer | 4.13% |
| unsafe-url | 3.08% |
| origin-when-cross-origin | 2.17% |
| strict-origin | 1.70% |
| origin | 1.23% |
| no-referrer, strict-origin-when-cross-origin | 0.83% |
| no-referrer-when-downgrade, strict-origin-when-cross-origin | 0.65% |
| origin-when-cross-origin, strict-origin-when-cross-origin | 0.07% |
| default, no-referrer-when-downgrade | 0.03% |
| yes | 0.02% |
| no-referrer, same-origin | 0.02% |
| same-origin,no-referrer-when-downgrade | 0.02% |
| origin-when-cross-origin,strict-origin-when-cross-origin | 0.01% |
| origin, strict-origin-when-cross-origin | 0.01% |
| same-origin, strict-origin-when-cross-origin | 0.01% |
| origin, no-referrer-when-downgrade | 0.01% |
| origin, unsafe-url | 0.01% |