Fix · Express / Node
Fix “Referrer-Policy” on Express / Node
Add: Referrer-Policy: strict-origin-when-cross-origin
res.setHeader("Referrer-Policy", "strict-origin-when-cross-origin");Verify the fix
Re-run the Referrer-Policy check after deploying. Test config changes in staging first and keep a rollback: a wrong header can break a site faster than a missing one.
Other stacks: nginx · Apache · Caddy · Cloudflare