WPT
wpt / cookies / value / value-overwrite.https.window.html
Runs: Chrome 155.0.8039.0 (wpt@508cc6a62, 2026-09-03) | Firefox 157.0a1 (wpt@508cc6a62, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@8fdda8ce4, 2026-09-03) | 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 | 25/25 | 25/25 | 25/25 | 25/25 | 25/25 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Overwrite value via separate responses with 'Path=/' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; HttpOnly' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; HttpOnly' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; SameSite=Strict' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; SameSite=Strict' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; SameSite=Lax' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; SameSite=Lax' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; SameSite=None; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; SameSite=None; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; Expires=Fri, 01 Jan 2100 00:00:00 GMT' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; Expires=Fri, 01 Jan 2100 00:00:00 GMT' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via separate responses with 'Path=/; Secure; HttpOnly; SameSite=Strict; Expires=Fri, 01 Jan 2100 00:00:00 GMT' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; Secure; HttpOnly; SameSite=Strict; Expires=Fri, 01 Jan 2100 00:00:00 GMT' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via a single response with 'Path=/; Max-Age=1000' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value with the empty value | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite the empty value with a value | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/; SameSite=Strict' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/; SameSite=Lax' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/; SameSite=None; Secure' | PASS | PASS | PASS | PASS | PASS | — |
| Overwrite value via document.cookie with 'Path=/; Expires=Fri, 01 Jan 2100 00:00:00 GMT' | PASS | PASS | PASS | PASS | PASS | — |