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 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)
| Focus area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| All WPT tests | 94.7%1053883/1112899 | 90.6%1008273/1112899 | 88.7%987377/1112899 | 84.3%937685/1112899 | 73.2%814529/1112899 | 8.4%93552/1112899 |
| /content-security-policy/ | 91.8%4014/4372 | 80.2%3507/4372 | 78.8%3446/4372 | 64.7%2827/4372 | 74.3%3249/4372 | 0.0%0/4372 |
| /credential-management/ | 94.5%138/146 | 52.7%77/146 | 55.5%81/146 | 72.6%106/146 | 21.9%32/146 | 0.0%0/146 |
| /css/ | 94.7%207103/218599 | 85.2%186181/218599 | 87.2%190583/218599 | 72.3%158062/218599 | 50.3%109893/218599 | 42.2%92256/218599 |
| /css/CSS2/ | 98.6%8679/8805 | 98.2%8646/8805 | 96.1%8464/8805 | 90.7%7985/8805 | 92.6%8154/8805 | 70.2%6177/8805 |
| /css/CSS2/abspos/ | 97.0%32/33 | 97.0%32/33 | 97.0%32/33 | 81.8%27/33 | 97.0%32/33 | 33.3%11/33 |
| /css/CSS2/box-display/ | 92.5%111/120 | 98.3%118/120 | 97.5%117/120 | 92.5%111/120 | 94.2%113/120 | 75.8%91/120 |
| /css/CSS2/floats/ | 94.4%203/215 | 94.9%204/215 | 90.7%195/215 | 86.0%185/215 | 90.2%194/215 | 69.8%150/215 |
| /css/CSS2/floats-clear/ | 100.0%258/258 | 98.1%253/258 | 98.1%253/258 | 86.4%223/258 | 94.2%243/258 | 73.6%190/258 |
| /css/CSS2/linebox/ | 99.3%853/859 | 99.7%856/859 | 99.4%854/859 | 97.1%834/859 | 85.0%730/859 | 75.6%649/859 |
| /css/CSS2/margin-padding-clear/ | 99.3%677/682 | 99.1%676/682 | 99.1%676/682 | 95.5%651/682 | 98.8%674/682 | 95.0%648/682 |
| /css/CSS2/normal-flow/ | 99.6%904/908 | 96.5%876/908 | 94.7%860/908 | 89.1%809/908 | 98.7%896/908 | 73.6%668/908 |
| /css/CSS2/positioning/ | 99.8%532/533 | 99.8%532/533 | 97.2%518/533 | 96.4%514/533 | 99.8%532/533 | 68.1%363/533 |
| /css/CSS2/tables/ | 95.2%434/456 | 98.0%447/456 | 87.1%397/456 | 67.8%309/456 | 95.0%433/456 | 37.3%170/456 |
| /css/css-tables/ | 95.7%1072/1120 | 89.0%997/1120 | 84.3%944/1120 | 69.6%779/1120 | 83.6%936/1120 | 47.5%532/1120 |
| /css/cssom/ | 96.9%3958/4085 | 97.3%3975/4085 | 95.9%3919/4085 | 89.1%3639/4085 | 84.7%3462/4085 | 52.0%2123/4085 |
| /css/css-align/ | 99.1%5233/5282 | 93.9%4959/5282 | 96.9%5119/5282 | 53.9%2845/5282 | 80.5%4253/5282 | 71.2%3760/5282 |
| /css/css-break/ | 98.3%1865/1898 | 52.1%989/1898 | 66.0%1252/1898 | 32.7%620/1898 | 16.2%307/1898 | 16.2%308/1898 |
| /css/css-flexbox/ | 99.0%5703/5760 | 96.6%5564/5760 | 95.8%5518/5760 | 85.5%4926/5760 | 70.8%4079/5760 | 68.8%3965/5760 |
| /css/css-grid/ | 99.3%16337/16460 | 85.7%14103/16460 | 92.3%15198/16460 | 69.9%11512/16460 | 50.5%8307/16460 | 49.0%8058/16460 |
| /css/css-position/ | 99.8%1755/1759 | 89.6%1576/1759 | 88.1%1550/1759 | 80.2%1411/1759 | 70.2%1234/1759 | 53.6%943/1759 |
| /css/css-sizing/ | 98.5%6457/6557 | 80.7%5293/6557 | 93.8%6149/6557 | 66.0%4325/6557 | 68.1%4464/6557 | 54.6%3582/6557 |
| /css/css-text/ | 90.8%6518/7177 | 74.6%5351/7177 | 68.0%4881/7177 | 52.8%3786/7177 | 59.9%4298/7177 | 47.3%3398/7177 |
| /editing/ | 92.6%108152/116831 | 95.3%111301/116831 | 90.0%105143/116831 | 89.1%104071/116831 | 77.3%90360/116831 | 0.0%0/116831 |
| /gamepad/ | 79.3%92/116 | 92.2%107/116 | 78.4%91/116 | 80.2%93/116 | 94.0%109/116 | 0.0%0/116 |
| /IndexedDB/ | 100.0%5841/5841 | 99.9%5833/5841 | 99.8%5829/5841 | 73.5%4296/5841 | 41.0%2393/5841 | 0.0%0/5841 |
| /shadow-dom/ | 98.2%15117/15397 | 98.0%15086/15397 | 98.1%15106/15397 | 96.4%14843/15397 | 61.3%9439/15397 | 0.0%0/15397 |
| /streams/ | 95.2%5492/5768 | 97.9%5644/5768 | 98.1%5656/5768 | 74.7%4306/5768 | 70.4%4058/5768 | 0.0%0/5768 |
| /trusted-types/ | 98.1%3616/3687 | 98.9%3648/3687 | 95.3%3515/3687 | 83.0%3061/3687 | 92.1%3395/3687 | 0.0%0/3687 |
| /WebCryptoAPI/ | 73.1%49684/67940 | 80.6%54780/67940 | 69.9%47490/67940 | 93.0%63209/67940 | 100.0%67916/67940 | 0.0%0/67940 |
| /webdriver/tests/classic/ | 94.5%3555/3763 | 96.9%3646/3763 | 65.2%2455/3763 | 86.6%3258/3763 | 86.9%3269/3763 | 0.0%0/3763 |
| /webxr/ | 95.0%1210/1274 | 11.0%140/1274 | 11.0%140/1274 | 15.3%195/1274 | 51.6%657/1274 | 0.0%0/1274 |