WPT
This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.
Runs: Chrome 155.0.8038.0 (wpt@397d01d8e, 2026-09-02) | Firefox 157.0a1 (wpt@397d01d8e, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-5f6fa (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.5 (wpt@2ccd2cbf8, 2026-09-01) | Blitz 7727414ca (wpt@a95401e4e, 2026-09-02)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 97.7%1262/1292 | 93.3%1205/1292 | 75.2%971/1292 | 92.3%1192/1292 | 84.8%1096/1292 | 0.0%0/1292 |
| attributes | 98.7%602/610 | 99.0%604/610 | 89.2%544/610 | 99.5%607/610 | 97.7%596/610 | 0.0%0/610 |
| domain | 88.9%16/18 | 100.0%18/18 | 100.0%18/18 | 100.0%18/18 | 100.0%18/18 | 0.0%0/18 |
| encoding | 100.0%6/6 | 100.0%6/6 | 0.0%0/6 | 100.0%6/6 | 100.0%6/6 | 0.0%0/6 |
| name | 94.6%105/111 | 87.4%97/111 | 58.6%65/111 | 100.0%111/111 | 63.1%70/111 | 0.0%0/111 |
| ordering | 100.0%5/5 | 100.0%5/5 | 20.0%1/5 | 100.0%5/5 | 100.0%5/5 | 0.0%0/5 |
| origin-bound-cookies | 50.0%1/2 | 50.0%1/2 | 50.0%1/2 | 50.0%1/2 | 0.0%0/2 | 0.0%0/2 |
| partitioned-cookies | 100.0%14/14 | 92.9%13/14 | 71.4%10/14 | 71.4%10/14 | 64.3%9/14 | 0.0%0/14 |
| path | 100.0%40/40 | 100.0%40/40 | 82.5%33/40 | 75.0%30/40 | 75.0%30/40 | 0.0%0/40 |
| prefix | 100.0%188/188 | 100.0%188/188 | 73.9%139/188 | 95.2%179/188 | 96.3%181/188 | 0.0%0/188 |
| samesite | 94.5%120/127 | 60.6%77/127 | 63.0%80/127 | 50.4%64/127 | 52.0%66/127 | 0.0%0/127 |
| samesite-none-secure | 100.0%1/1 | 100.0%1/1 | 0.0%0/1 | 100.0%1/1 | 0.0%0/1 | 0.0%0/1 |
| schemeful-same-site | 100.0%6/6 | 50.0%3/6 | 33.3%2/6 | 33.3%2/6 | 33.3%2/6 | 0.0%0/6 |
| secure | 100.0%10/10 | 100.0%10/10 | 100.0%10/10 | 80.0%8/10 | 100.0%10/10 | 0.0%0/10 |
| size | 100.0%25/25 | 96.0%24/25 | 52.0%13/25 | 100.0%25/25 | 60.0%15/25 | 0.0%0/25 |
| third-party-cookies | 71.4%5/7 | 28.6%2/7 | 71.4%5/7 | 71.4%5/7 | 28.6%2/7 | 0.0%0/7 |
| value | 96.6%115/119 | 95.0%113/119 | 39.5%47/119 | 99.2%118/119 | 70.6%84/119 | 0.0%0/119 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| cookie-enabled-noncookie-frame.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| meta-blocked.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| navigated-away.html | PASS | PASS | PASS | FAIL | FAIL | NOT RUN |