What it reads
The Referrer-Policy header.
Check 27 of 54 · Web and TLS
Referrer-Policy, explained.
How much of your web addresses leak to the sites your visitors click through to.
Engine 1.57.0, read 25 October 2026
Free checkAdviceReliability: Definitive
Is your website set up safely?
What the check does, and where it stops.
Why it matters
Web addresses can carry names, references and tokens. This header limits what travels with a click.
What a finding looks like
What it finds is shown with a recommendation. It is advice, so it never lowers your score. If the check cannot finish, it is recorded as unknown: it carries no penalty, and it is never a pass.
Where its limits are
Only unsafe-url is flagged, because it sends your full web addresses everywhere. Any other valid policy passes.
ReliabilityDefinitive: reads a published value
Check 27 is one of 15 in Web and TLS. See it in its row on the scanner page, beside the rest of Web and TLS.
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