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 155.0.8039.0 (wpt@3f6b09ae3, 2026-09-03) | Firefox 157.0a1 (wpt@3f6b09ae3, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 84.6%296/350 | 74.0%259/350 | 66.3%232/350 | 63.1%221/350 | 61.4%215/350 | 0.0%0/350 |
| assumptions | 100.0%30/30 | 96.7%29/30 | 93.3%28/30 | 93.3%28/30 | 96.7%29/30 | 0.0%0/30 |
| channels | 100.0%26/26 | 100.0%26/26 | 100.0%26/26 | 100.0%26/26 | 100.0%26/26 | 0.0%0/26 |
| crash-tests | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 0.0%0/2 |
| crashtests | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 0.0%0/2 |
| expected-fail | 15.0%3/20 | 15.0%3/20 | 15.0%3/20 | 15.0%3/20 | 15.0%3/20 | 0.0%0/20 |
| reftest | 67.3%33/49 | 63.3%31/49 | 55.1%27/49 | 55.1%27/49 | 55.1%27/49 | 0.0%0/49 |
| server | 100.0%97/97 | 100.0%97/97 | 94.8%92/97 | 85.6%83/97 | 85.6%83/97 | 0.0%0/97 |
| test262 | 40.0%8/20 | 40.0%8/20 | 40.0%8/20 | 40.0%8/20 | 40.0%8/20 | 0.0%0/20 |
| testdriver | 98.9%88/89 | 60.7%54/89 | 41.6%37/89 | 39.3%35/89 | 33.7%30/89 | 0.0%0/89 |
| testharness | 60.0%3/5 | 60.0%3/5 | 60.0%3/5 | 60.0%3/5 | 60.0%3/5 | 0.0%0/5 |
| webdriver | 100.0%1/1 | 100.0%1/1 | 100.0%1/1 | 100.0%1/1 | 100.0%1/1 | 0.0%0/1 |
| window | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 100.0%2/2 | 0.0%0/2 | 0.0%0/2 |
| wpt-metadata | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| reftest-wait.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |