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 / css / css-layout-api
Spec: CSS Layout API ↗
Runs: Chrome 155.0.8039.0 (wpt@d0c38285b, 2026-09-03) | Firefox 157.0a1 (wpt@ed1909ed6, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@cc4d45aa0, 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 | 98.7%157/159 | 15.1%24/159 | 15.1%24/159 | 9.4%15/159 | 14.5%23/159 | 14.5%23/159 |
| auto-block-size | 100.0%5/5 | 20.0%1/5 | 20.0%1/5 | 0.0%0/5 | 0.0%0/5 | 0.0%0/5 |
| baseline | 100.0%4/4 | 0.0%0/4 | 0.0%0/4 | 0.0%0/4 | 0.0%0/4 | 0.0%0/4 |
| child-constraints | 100.0%21/21 | 0.0%0/21 | 0.0%0/21 | 0.0%0/21 | 0.0%0/21 | 0.0%0/21 |
| constraints | 100.0%41/41 | 0.0%0/41 | 0.0%0/41 | 0.0%0/41 | 0.0%0/41 | 0.0%0/41 |
| edges | 100.0%14/14 | 0.0%0/14 | 0.0%0/14 | 0.0%0/14 | 0.0%0/14 | 0.0%0/14 |
| fallback-intrinsic-sizes | 83.3%5/6 | 100.0%6/6 | 100.0%6/6 | 0.0%0/6 | 100.0%6/6 | 100.0%6/6 |
| fallback-layout | 85.7%6/7 | 0.0%0/7 | 0.0%0/7 | 0.0%0/7 | 0.0%0/7 | 0.0%0/7 |
| intrinsic-sizes | 100.0%12/12 | 16.7%2/12 | 16.7%2/12 | 0.0%0/12 | 16.7%2/12 | 16.7%2/12 |
| layout-child | 100.0%9/9 | 0.0%0/9 | 0.0%0/9 | 0.0%0/9 | 0.0%0/9 | 0.0%0/9 |
| position-fragment | 100.0%6/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 | 0.0%0/6 |