WPT
This page compares scores on Servo's WPT focus areas across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.
wpt / focus areas / Servo
Runs: Chrome 158.0.8110.0 (wpt@d6615bd69, 2026-10-18) | Firefox 160.0a1 (wpt@b58866519, 2026-10-18) | Safari 254 preview (wpt@470a7adf8, 2026-10-18) | Ladybird 1.0-44fe0 (wpt@850b36a56, 2026-10-18) | Servo Servo 0.7 (wpt@df642c414, 2026-10-17) | Blitz fb8d6c15e (wpt@cd1d8aa5b, 2026-10-17)
| Focus area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| All WPT tests | 95.2%1089232/1143618 | 90.5%1035030/1143618 | 88.7%1014845/1143618 | 84.4%966354/1143618 | 75.5%864142/1143618 | 10.8%124621/1143618 |
| /content-security-policy/ | 94.7%4230/4464 | 80.4%3592/4464 | 78.1%3488/4464 | 63.0%2816/4464 | 74.0%3307/4464 | 0.0%0/4464 |
| /credential-management/ | 89.4%144/161 | 48.4%78/161 | 50.3%81/161 | 69.5%112/161 | 19.8%32/161 | 0.0%0/161 |
| /css/ | 95.4%212186/222322 | 86.4%192128/222322 | 88.9%197697/222322 | 74.5%165852/222322 | 51.7%115011/222322 | 53.3%118644/222322 |
| /css/CSS2/ | 98.5%8694/8820 | 98.1%8660/8820 | 95.9%8466/8820 | 93.2%8225/8820 | 92.6%8172/8820 | 78.5%6926/8820 |
| /css/CSS2/abspos/ | 97.1%34/35 | 94.2%33/35 | 94.2%33/35 | 77.1%27/35 | 94.2%33/35 | 74.2%26/35 |
| /css/CSS2/box-display/ | 92.5%111/120 | 98.3%118/120 | 97.5%117/120 | 94.9%114/120 | 94.1%113/120 | 84.1%101/120 |
| /css/CSS2/floats/ | 94.7%215/227 | 95.1%216/227 | 91.6%208/227 | 86.7%197/227 | 90.7%206/227 | 74.8%170/227 |
| /css/CSS2/floats-clear/ | 100.0%258/258 | 98.0%253/258 | 98.0%253/258 | 86.8%224/258 | 94.5%244/258 | 80.2%207/258 |
| /css/CSS2/linebox/ | 99.3%853/859 | 99.6%856/859 | 99.4%854/859 | 97.7%840/859 | 84.9%730/859 | 81.9%704/859 |
| /css/CSS2/margin-padding-clear/ | 99.2%677/682 | 99.1%676/682 | 99.1%676/682 | 96.6%659/682 | 98.8%674/682 | 96.4%658/682 |
| /css/CSS2/normal-flow/ | 99.5%905/909 | 96.4%877/909 | 94.6%860/909 | 88.1%801/909 | 98.7%898/909 | 84.4%768/909 |
| /css/CSS2/positioning/ | 99.8%532/533 | 99.8%532/533 | 97.1%518/533 | 96.6%515/533 | 99.8%532/533 | 94.1%502/533 |
| /css/CSS2/tables/ | 95.1%434/456 | 98.0%447/456 | 87.0%397/456 | 97.5%445/456 | 94.9%433/456 | 44.0%201/456 |
| /css/css-tables/ | 95.7%1083/1131 | 88.7%1004/1131 | 83.9%949/1131 | 74.3%841/1131 | 83.2%942/1131 | 52.5%594/1131 |
| /css/cssom/ | 97.1%4331/4456 | 97.5%4347/4456 | 96.2%4289/4456 | 89.8%4004/4456 | 84.5%3767/4456 | 77.1%3439/4456 |
| /css/css-align/ | 99.0%5324/5373 | 88.6%4765/5373 | 90.6%4869/5373 | 68.3%3675/5373 | 75.6%4067/5373 | 93.0%5002/5373 |
| /css/css-break/ | 98.1%1913/1950 | 52.1%1016/1950 | 66.9%1305/1950 | 42.3%826/1950 | 15.8%310/1950 | 16.3%319/1950 |
| /css/css-flexbox/ | 99.0%5768/5825 | 96.1%5598/5825 | 95.3%5553/5825 | 86.4%5036/5825 | 70.8%4126/5825 | 86.1%5017/5825 |
| /css/css-grid/ | 99.0%17432/17599 | 92.6%16314/17599 | 93.0%16379/17599 | 72.8%12826/17599 | 61.6%10857/17599 | 77.8%13698/17599 |
| /css/css-position/ | 99.7%1778/1782 | 89.7%1599/1782 | 88.3%1575/1782 | 80.8%1441/1782 | 70.7%1261/1782 | 64.3%1146/1782 |
| /css/css-sizing/ | 98.8%6739/6818 | 81.7%5575/6818 | 92.6%6320/6818 | 75.9%5177/6818 | 68.2%4654/6818 | 58.7%4007/6818 |
| /css/css-text/ | 89.9%6590/7325 | 73.3%5372/7325 | 70.8%5193/7325 | 51.8%3797/7325 | 61.9%4535/7325 | 61.3%4496/7325 |
| /editing/ | 92.5%108165/116846 | 95.2%111311/116846 | 89.9%105139/116846 | 89.2%104338/116846 | 78.8%92158/116846 | 0.0%0/116846 |
| /gamepad/ | 79.3%92/116 | 92.2%107/116 | 78.4%91/116 | 80.1%93/116 | 93.9%109/116 | 0.0%0/116 |
| /IndexedDB/ | 99.9%5849/5853 | 99.7%5840/5853 | 99.7%5837/5853 | 73.5%4304/5853 | 55.0%3224/5853 | 0.0%0/5853 |
| /shadow-dom/ | 98.1%15132/15424 | 97.8%15096/15424 | 97.8%15098/15424 | 96.3%14854/15424 | 61.2%9453/15424 | 0.0%0/15424 |
| /streams/ | 95.1%5504/5782 | 97.7%5654/5782 | 97.9%5666/5782 | 74.6%4315/5782 | 70.3%4067/5782 | 0.0%0/5782 |
| /trusted-types/ | 98.1%3638/3705 | 98.6%3656/3705 | 95.2%3528/3705 | 84.0%3114/3705 | 92.0%3412/3705 | 0.0%0/3705 |
| /WebCryptoAPI/ | 78.8%55920/70948 | 77.4%54950/70948 | 67.4%47854/70948 | 93.5%66348/70948 | 97.0%68890/70948 | 0.0%0/70948 |
| /webdriver/tests/classic/ | 95.8%3606/3761 | 96.6%3636/3761 | 72.3%2722/3761 | 87.7%3301/3761 | 87.9%3307/3761 | 0.0%0/3761 |
| /webxr/ | 94.9%1212/1276 | 10.9%140/1276 | 10.9%140/1276 | 15.1%193/1276 | 56.4%720/1276 | 0.0%0/1276 |