HTTP headers
Referer HTTP Header Meaning
Referer reports the page or URL that led to the request.
Meaning
The client is sending referrer context for navigation or subresource loading.
Where it appears
Browsers send it according to the active Referrer-Policy.
What to check
Check privacy expectations and whether sensitive URLs could leak through the referrer.
Example
Referer: https://example.com/articles/123References
- Registry
- IANA HTTP Field Name Registry
- Guide
- MDN Referer