Referrer Policy Checker

Check whether a referrer policy value is recognised and what it means.

Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.

Referrer Policy Checker

How to use this tool

  1. Enter your values in the fields above.
  2. Press Generate to see the result.
  3. Use Load sample to try the worked example, Copy result to copy it, or Clear to start again.

Worked example

The value strict-origin-when-cross-origin is recognised, with its meaning explained in the result.

What this tool does not do / Limits

This checks the pasted value against a known list only. It does not read any live site header or change any setting.

Frequently asked questions

Does it read my site header?

No. Paste the policy value yourself; nothing is read live.

What if my value is not recognised?

Check the spelling first; it may also be a non-standard value.

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