WPT
wpt / preload / modulepreload-as.html
Spec: https://w3c.github.io/preload/ ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 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)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 21/28 | 25/28 | 16/28 | 28/28 | 26/28 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Modulepreload should fire onload with as="" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="audio" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onload with as="audioworklet" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="document" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="embed" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="font" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="frame" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="iframe" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="image" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="manifest" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="object" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onload with as="paintworklet" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="report" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onload with as="script" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="serviceworker" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="sharedworker" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="track" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="video" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="webidentity" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onload with as="worker" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="xslt" | PASS | PASS | FAIL | PASS | PASS | — |
| Modulepreload should fire onerror with as="fetch" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="invalid-dest" | FAIL | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onerror with as="iMaGe" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="sCrIpT" | PASS | PASS | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="style" | PASS | FAIL | FAIL | PASS | FAIL | — |
| Modulepreload should fire onload with as="json" | PASS | FAIL | PASS | PASS | PASS | — |
| Modulepreload should fire onload with as="text" | FAIL | FAIL | PASS | PASS | FAIL | — |