WPT
wpt / html / rendering / unmapped-attributes.html
Spec: HTML ↗
Runs: Chrome 155.0.8039.0 (wpt@bd6829a40, 2026-09-02) | Firefox 157.0a1 (wpt@a6218de35, 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 | 54/62 | 62/62 | 62/62 | 62/62 | 62/62 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| We should be in standards mode | PASS | PASS | PASS | PASS | PASS | — |
| Subframe should be in quirks mode | PASS | PASS | PASS | PASS | PASS | — |
| <table hspace> should not be mapped to style marginLeft in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table hspace> should not be mapped to style marginLeft in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table hspace> should not be mapped to style marginRight in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table hspace> should not be mapped to style marginRight in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table vspace> should not be mapped to style marginTop in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table vspace> should not be mapped to style marginTop in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table vspace> should not be mapped to style marginBottom in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <table vspace> should not be mapped to style marginBottom in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderTopWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderTopWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderRightWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderRightWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderBottomWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderBottomWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderLeftWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <embed border> should not be mapped to style borderLeftWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderTopWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderTopWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderRightWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderRightWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderBottomWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderBottomWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderLeftWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe border> should not be mapped to style borderLeftWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe hspace> should not be mapped to style marginLeft in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe hspace> should not be mapped to style marginLeft in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe hspace> should not be mapped to style marginRight in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe hspace> should not be mapped to style marginRight in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe vspace> should not be mapped to style marginTop in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe vspace> should not be mapped to style marginTop in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe vspace> should not be mapped to style marginBottom in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <iframe vspace> should not be mapped to style marginBottom in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderTopWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderTopWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderRightWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderRightWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderBottomWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderBottomWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderLeftWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <marquee border> should not be mapped to style borderLeftWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderTopWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderTopWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderRightWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderRightWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderBottomWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderBottomWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderLeftWidth in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input border> should not be mapped to style borderLeftWidth in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input width> should not be mapped to style width in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input width> should not be mapped to style width in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input height> should not be mapped to style height in CSS1Compat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input height> should not be mapped to style height in BackCompat mode | PASS | PASS | PASS | PASS | PASS | — |
| <input hspace> should not be mapped to style marginLeft in CSS1Compat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input hspace> should not be mapped to style marginLeft in BackCompat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input hspace> should not be mapped to style marginRight in CSS1Compat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input hspace> should not be mapped to style marginRight in BackCompat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input vspace> should not be mapped to style marginTop in CSS1Compat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input vspace> should not be mapped to style marginTop in BackCompat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input vspace> should not be mapped to style marginBottom in CSS1Compat mode | FAIL | PASS | PASS | PASS | PASS | — |
| <input vspace> should not be mapped to style marginBottom in BackCompat mode | FAIL | PASS | PASS | PASS | PASS | — |