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.
wpt / shadow-dom / untriaged / shadow-trees / upper-boundary-encapsulation
Spec: DOM ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 100.0%188/188 | 100.0%188/188 | 100.0%188/188 | 99.5%187/188 | 98.9%186/188 | 0.0%0/188 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| dom-tree-accessors-001.html | 14/14 | 14/14 | 14/14 | 14/14 | 13/14 | NOT RUN |
| dom-tree-accessors-002.html | 3/3 | 3/3 | 3/3 | 3/3 | 3/3 | NOT RUN |
| ownerdocument-001.html | 6/6 | 6/6 | 6/6 | 6/6 | 6/6 | NOT RUN |
| ownerdocument-002.html | 18/18 | 18/18 | 18/18 | 18/18 | 18/18 | NOT RUN |
| selectors-api-001.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| selectors-api-002.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| shadow-root-001.html | 4/4 | 4/4 | 4/4 | 4/4 | 4/4 | NOT RUN |
| test-005.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| test-007.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| test-009.html | 14/14 | 14/14 | 14/14 | 14/14 | 14/14 | NOT RUN |
| test-011.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| window-named-properties-001.html | PASS | PASS | PASS | FAIL | FAIL | NOT RUN |
| window-named-properties-002.html | 8/8 | 8/8 | 8/8 | 8/8 | 8/8 | NOT RUN |
| window-named-properties-003.html | 111/111 | 111/111 | 111/111 | 111/111 | 111/111 | NOT RUN |