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 | 3,040,372 |
| Percentage of websites that use Referrer-Policy header | 3.07% |
| Total discovered header values | 390 |
| 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 | 40.84% | 1,241,601 | 1 |
| strict-origin-when-cross-origin | 34.32% | 1,043,383 | 1 |
| same-origin | 8.69% | 264,111 | 1 |
| no-referrer | 6.92% | 210,440 | 1 |
| origin-when-cross-origin | 5.27% | 160,161 | 1 |
| strict-origin | 3.28% | 99,681 | 1 |
| unsafe-url | 3.20% | 97,390 | 1 |
| origin | 2.11% | 64,233 | 1 |
Distribution by websites popularity
Referrer-Policy detection in the top websites by popularity| Top 10k sites | 1,301 websites |
| Top 100k sites | 10,841 websites |
| Top 1m sites | 86,840 websites |
Websites utilizing Referrer-Policy
List of websites that use Referrer-Policy header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
United States of America
|
21 | |
|
|
United States of America
|
32 | |
|
|
United States of America
|
39 | |
|
|
United States of America
|
75 | |
|
|
United States of America
|
83 | |
|
|
United States of America
|
102 |
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 value | Value prevalence |
|---|---|
| no-referrer-when-downgrade | 39.22% |
| strict-origin-when-cross-origin | 30.05% |
| same-origin | 8.56% |
| no-referrer | 5.82% |
| origin-when-cross-origin | 3.50% |
| strict-origin | 3.24% |
| unsafe-url | 3.18% |
| origin | 2.03% |
| origin-when-cross-origin, strict-origin-when-cross-origin | 1.72% |
| no-referrer-when-downgrade, strict-origin-when-cross-origin | 1.36% |
| no-referrer, strict-origin-when-cross-origin | 0.99% |
| yes | 0.03% |
| default, no-referrer-when-downgrade | 0.03% |
| no-referrer, same-origin | 0.02% |
| 'same-origin' | 0.02% |
| no-referrer, strict-origin-when-cross-origin, no-referrer-when-downgrade | 0.01% |
| origin-when-cross-origin,strict-origin-when-cross-origin | 0.01% |
| same-origin,no-referrer-when-downgrade | 0.01% |
| origin, strict-origin-when-cross-origin | 0.01% |
| "no-referrer-when-downgrade" | 0.01% |