WPT
wpt / client-hints / permissions-policy / ch-ua-high-entropy-values-allowed-by-permissions-policy-attribute-redirect-on-load.https.sub.html
Spec: Client Hints Infrastructure ↗
Runs: Chrome 155.0.8043.0 (wpt@b89af32bc, 2026-09-05) | Firefox 157.0a1 (wpt@b89af32bc, 2026-09-05) | Safari 251 preview (wpt@b89af32bc, 2026-09-05) | Ladybird 1.0-ca509 (wpt@b89af32bc, 2026-09-05) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 4/4 | 0/4 | 0/4 | 0/4 | 0/4 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| permissions policy allow="ch-ua-high-entropy-values" allows same-origin navigation in an iframe. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |
| permissions policy allow="ch-ua-high-entropy-values" disallows cross-origin navigation in an iframe. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |
| permissions policy allow="ch-ua-high-entropy-values='none' disallows same-origin navigation in an iframe. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |
| permissions policy allow="ch-ua-high-entropy-values='none' disallows cross-origin navigation in an iframe. | PASS | TIMEOUT | TIMEOUT | TIMEOUT | FAIL | — |