Status
This page documents the implementation status of various HTML and CSS features in Blitz.
This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.
Note: As it does not have a JavaScript engine, Blitz can only run about 20% of the total subtests. In the numbers below, tests that Blitz can't run are ignored and percentages are relative to the number of tests run.
Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)
wpt / css / css-sizing / responsive-iframe
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 43.70% | (7/16) | 43.75% | (7/16) | 43.75% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| responsive-iframe-cross-origin-no-match-element.sub.html | (1/1) | 100.00% | PASS |
| responsive-iframe-cross-origin-not-embedded-sized.sub.html | (1/1) | 100.00% | PASS |
| responsive-iframe-cross-origin.sub.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-after-head.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-dynamic-append-after-body.html | (1/1) | 100.00% | PASS |
| responsive-iframe-meta-dynamic-append-to-doc.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-dynamic-append.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-dynamic-name-change-after-body.html | (1/1) | 100.00% | PASS |
| responsive-iframe-meta-dynamic-name-change.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-dynamic-remove.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-dynamic-write.html | (0/1) | 0.00% | FAIL |
| responsive-iframe-meta-in-body.html | (1/1) | 100.00% | PASS |
| responsive-iframe-no-match-element.html | (1/1) | 100.00% | PASS |
| responsive-iframe-not-embedded-sized.html | (1/1) | 100.00% | PASS |
| responsive-iframe-request-resize.html | (0/1) | 0.00% | FAIL |
| responsive-iframe.html | (0/1) | 0.00% | FAIL |