WPT
wpt / fetch / api / cors / cors-preflight.any.html
Spec: Fetch ↗
Runs: Chrome 155.0.8038.0 (wpt@05fffeacb, 2026-09-02) | Firefox 157.0a1 (wpt@7addae031, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-410b4 (wpt@ce41a9c47, 2026-09-02) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 21/22 | 21/22 | 21/22 | 21/22 | 21/22 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| CORS [DELETE], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [DELETE], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT], server allows, check preflight has user agent | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PATCH], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PATCH], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [patcH], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [patcH], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [NEW], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [NEW], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [chicken], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [chicken], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [GET] [x-test-header: allowed], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [GET] [x-test-header: refused], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [GET] [several headers], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [GET] [several headers], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT] [several headers], server allows | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT] [several headers], server refuses | PASS | PASS | PASS | PASS | PASS | — |
| CORS [PUT] [only safe headers], server allows | PASS | PASS | PASS | PASS | PASS | — |
| "authorization" should not be covered by the wildcard symbol | FAIL | FAIL | FAIL | FAIL | FAIL | — |
| "authorization" should be covered by "authorization" | PASS | PASS | PASS | PASS | PASS | — |