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 | 1,704,781 |
| Percentage of websites that use Referrer-Policy header | 3.18% |
| Total discovered header values | 297 |
| 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 | 15.01% | 255,895 | 1 |
| strict-origin-when-cross-origin | 9.79% | 166,910 | 1 |
| same-origin | 2.07% | 35,305 | 1 |
| no-referrer | 1.88% | 32,034 | 1 |
| origin-when-cross-origin | 1.70% | 28,904 | 1 |
| unsafe-url | 1.31% | 22,340 | 1 |
| strict-origin | 0.97% | 16,496 | 1 |
| origin | 0.49% | 8,438 | 1 |
Distribution by websites popularity
Referrer-Policy detection in the top websites by popularity| Top 10k sites | 1,266 websites |
| Top 100k sites | 7,425 websites |
| Top 1m sites | 54,413 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 |
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 | 44.39% |
| strict-origin-when-cross-origin | 27.71% |
| same-origin | 8.80% |
| no-referrer | 4.15% |
| unsafe-url | 3.64% |
| origin-when-cross-origin | 2.68% |
| strict-origin | 2.58% |
| origin-when-cross-origin, strict-origin-when-cross-origin | 1.99% |
| no-referrer-when-downgrade, strict-origin-when-cross-origin | 1.55% |
| origin | 1.28% |
| no-referrer, strict-origin-when-cross-origin | 0.94% |
| default, no-referrer-when-downgrade | 0.04% |
| yes | 0.03% |
| no-referrer, strict-origin-when-cross-origin, no-referrer-when-downgrade | 0.02% |
| no-referrer, same-origin | 0.02% |
| same-origin,no-referrer-when-downgrade | 0.01% |
| origin, strict-origin-when-cross-origin | 0.01% |
| "no-referrer-when-downgrade" | 0.01% |
| no-referrer,same-origin,strict-origin-when-cross-origin | 0.01% |
| sameorigin | 0.01% |