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 | 528,338 |
| Percentage of websites that use Referrer-Policy header | 4.53% |
| Total discovered header values | 177 |
| 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 |
|---|---|---|---|
| no-referrer-when-downgrade | 29.30% | 154,799 | 1 |
| strict-origin-when-cross-origin | 28.81% | 152,235 | 1 |
| same-origin | 13.25% | 70,010 | 1 |
| no-referrer | 3.79% | 20,011 | 1 |
| origin-when-cross-origin | 2.58% | 13,627 | 1 |
| unsafe-url | 2.14% | 11,288 | 1 |
| strict-origin | 1.34% | 7,054 | 1 |
| origin | 1.02% | 5,385 | 1 |
Distribution by websites popularity
Referrer-Policy detection in the top websites by popularity| Top 10k sites | 1,118 websites |
| Top 100k sites | 5,461 websites |
| Top 1m sites | 48,738 websites |
Websites utilizing Referrer-Policy
List of websites that use Referrer-Policy header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
United States of America
|
13 | |
|
|
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 |
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 |
|---|---|
| no-referrer-when-downgrade | 35.80% |
| strict-origin-when-cross-origin | 33.51% |
| same-origin | 16.50% |
| no-referrer | 3.85% |
| unsafe-url | 2.65% |
| origin-when-cross-origin | 2.19% |
| strict-origin | 1.65% |
| origin | 1.21% |
| origin-when-cross-origin, strict-origin-when-cross-origin | 1.00% |
| no-referrer, strict-origin-when-cross-origin | 0.81% |
| no-referrer-when-downgrade, strict-origin-when-cross-origin | 0.60% |
| default, no-referrer-when-downgrade | 0.03% |
| no-referrer, same-origin | 0.02% |
| yes | 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% |