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This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.

wpt / css / selectors

Spec: Selectors ↗

Runs: Chrome 154.0.8037.0 (wpt@98a70a0c5) | Firefox 157.0a1 (wpt@df77989ab) | Safari 251 preview (wpt@5ce815a83) | Ladybird 1.0-28104 (wpt@b1a7025f8) | Servo Servo 0.5 (wpt@2ccd2cbf8) | Blitz dc9e62f29 (wpt@a95401e4e)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total86.0%5501/639794.7%6056/639798.5%6300/639796.6%6182/639765.4%4186/639728.9%1850/6397
attribute-selectors60.5%949/1569100.0%1569/1569100.0%1569/1569100.0%1569/1569100.0%1569/15690.6%9/1569
crashtests100.0%1/1100.0%1/1100.0%1/1100.0%1/1100.0%1/1100.0%1/1
i18n100.0%45/4597.8%44/45100.0%45/45100.0%45/45100.0%45/450.0%0/45
invalidation98.3%3002/305597.0%2962/305599.2%3031/305599.5%3039/305549.6%1514/305544.7%1367/3055
media100.0%20/20100.0%20/20100.0%20/2070.0%14/200.0%0/200.0%0/20
old-tests100.0%292/29299.7%291/29299.7%291/29281.8%239/29296.6%282/29272.3%211/292
parsing92.1%372/40493.1%376/40491.3%369/40485.6%346/40484.4%341/4040.0%0/404
query100.0%12/12100.0%12/12100.0%12/12100.0%12/12100.0%12/12100.0%12/12
selectors-4100.0%39/3989.7%35/3997.4%38/3994.9%37/3992.3%36/3917.9%7/39
TestChromeFirefoxSafariLadybirdServoBlitz
active-after-relayouts.htmlPASSPASSTIMEOUTPASSPASSSKIP
active-display-none-001.htmlPASSPASSPASSPASSPASSSKIP
active-observable.html17/1717/1717/1715/1715/170/17
active-toplayer-001.html3/30/33/30/30/30/3
backdrop-input-crash.htmlPASSPASSPASSPASSPASSPASS
caret-color-visited-inheritance.htmlPASSPASSPASSPASSPASSPASS
child-indexed-during-parse.html6/66/66/66/66/66/6
child-indexed-no-parent.htmlPASSPASSPASSPASSPASSPASS
child-indexed-pseudo-class.html57/5757/5757/5757/5757/5757/57
chrome-40257746-crash.htmlPASSPASSPASSPASSPASSPASS
dir-pseudo-in-has.htmlPASSPASSPASSPASSFAILFAIL
dir-pseudo-on-bdi-element.html5/55/55/55/50/50/5
dir-pseudo-on-input-element.html20/2020/2020/2020/200/200/20
dir-pseudo-update-document-element.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-auto-direction-change-001.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-auto.html22/2222/2222/2222/220/220/22
dir-selector-change-001.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-change-002.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-change-003.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-change-004.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-ltr-001.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-ltr-002.htmlPASSPASSPASSPASSPASSPASS
dir-selector-ltr-003.htmlPASSPASSPASSPASSPASSPASS
dir-selector-querySelector.html4/44/44/44/41/41/4
dir-selector-rtl-001.htmlPASSPASSPASSPASSFAILFAIL
dir-selector-white-space-001.htmlPASSPASSPASSPASSFAILFAIL
dir-style-01a.htmlPASSPASSPASSPASSFAILFAIL
dir-style-01b.htmlPASSPASSPASSPASSFAILFAIL
dir-style-02a.htmlPASSPASSPASSPASSFAILFAIL
dir-style-02b.htmlPASSPASSPASSPASSFAILFAIL
dir-style-03a.htmlPASSPASSPASSPASSFAILFAIL
dir-style-03b.htmlPASSPASSPASSPASSFAILFAIL
dir-style-04.htmlPASSPASSPASSPASSFAILFAIL
eof-right-after-selector-crash.htmlPASSPASSPASSPASSPASSPASS
eof-some-after-selector-crash.htmlPASSPASSPASSPASSPASSPASS
featureless-001.htmlPASSPASSPASSPASSPASSFAIL
featureless-002.htmlPASSPASSPASSPASSPASSFAIL
featureless-003.htmlPASSPASSPASSPASSPASSFAIL
featureless-004.htmlPASSPASSFAILFAILPASSFAIL
featureless-005.htmlPASSFAILPASSPASSFAILFAIL
first-child.html5/55/55/55/55/55/5
first-letter-flag-001.htmlPASSPASSPASSPASSFAILFAIL
first-line-bidi-001.htmlPASSPASSPASSFAILFAILFAIL
first-line-bidi-002.htmlPASSPASSPASSFAILFAILFAIL
first-of-type.html9/99/99/99/99/99/9
floating-first-letter-05d0.htmlPASSPASSPASSPASSPASSPASS
floating-first-letter-feff.htmlPASSPASSPASSPASSPASSPASS
focus-display-none-001.html2/22/22/20/22/20/2
focus-in-focus-event-001.html3/33/33/33/31/30/3
focus-in-focusin-event-001.html3/33/33/33/31/30/3
focus-visible-001.htmlPASSPASSPASSFAILFAILSKIP
focus-visible-002.html14/1414/1411/1414/140/140/14
focus-visible-003.html12/1212/123/124/1212/120/12
focus-visible-004.html10/1010/103/104/1010/100/10
focus-visible-005.htmlPASSPASSPASSFAILPASSSKIP
focus-visible-006.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-007.htmlPASSFAILPASSFAILFAILSKIP
focus-visible-008.htmlPASSPASSPASSFAILFAILSKIP
focus-visible-009.htmlPASSPASSPASSFAILFAILFAIL
focus-visible-010.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-011.htmlPASSFAILPASSFAILFAILSKIP
focus-visible-012.htmlPASSPASSPASSPASSPASSSKIP
focus-visible-013.htmlPASSPASSTIMEOUTPASSTIMEOUTSKIP
focus-visible-014.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-015.htmlPASSPASSPASSFAILPASSSKIP
focus-visible-016.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-017-2.html38/3838/3838/3838/381/380/38
focus-visible-017.html2/22/22/22/21/20/2
focus-visible-018-2.html38/3838/3838/3838/3833/380/38
focus-visible-018.html2/22/22/22/22/20/2
focus-visible-019.html2/22/22/22/21/20/2
focus-visible-020.html2/22/22/22/21/20/2
focus-visible-021.html2/22/21/22/21/20/2
focus-visible-022.tentative.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-023.html2/22/22/22/21/20/2
focus-visible-024.html3/33/33/31/31/30/3
focus-visible-025.html3/33/33/31/31/30/3
focus-visible-026.html2/22/22/21/22/20/2
focus-visible-027.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-028.htmlPASSPASSPASSPASSFAILSKIP
focus-visible-script-focus-001.html2/22/22/22/21/20/2
focus-visible-script-focus-002.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-003.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-004.html2/22/22/22/21/20/2
focus-visible-script-focus-005.html2/22/22/22/21/20/2
focus-visible-script-focus-006.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-007.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-008-b.html2/22/22/21/22/20/2
focus-visible-script-focus-008.html2/22/22/21/22/20/2
focus-visible-script-focus-009.html2/22/22/21/22/20/2
focus-visible-script-focus-010.html2/22/22/21/22/20/2
focus-visible-script-focus-011.html2/22/22/21/22/20/2
focus-visible-script-focus-012.html2/22/22/22/21/20/2
focus-visible-script-focus-013.html2/22/22/22/21/20/2
focus-visible-script-focus-014.html2/22/22/22/21/20/2
focus-visible-script-focus-015.html2/22/21/22/21/20/2
focus-visible-script-focus-016.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-017.tentative.html2/22/22/22/21/20/2
focus-visible-script-focus-018.html2/22/22/21/22/20/2
focus-visible-script-focus-019.html2/22/22/21/22/20/2
focus-visible-script-focus-020.html2/22/22/21/22/20/2
focus-within-001.htmlPASSPASSPASSPASSFAILFAIL
focus-within-002.htmlPASSPASSPASSPASSFAILFAIL
focus-within-003.htmlPASSPASSPASSPASSFAILFAIL
focus-within-004.htmlPASSPASSPASSPASSFAILFAIL
focus-within-005.htmlPASSPASSPASSPASSFAILFAIL
focus-within-006.htmlPASSPASSPASSPASSFAILFAIL
focus-within-007.htmlPASSPASSPASSPASSFAILFAIL
focus-within-008.htmlPASSPASSPASSPASSFAILFAIL
focus-within-009.html12/1212/1212/129/124/123/12
focus-within-010.htmlPASSPASSPASSPASSFAILFAIL
focus-within-011.htmlPASSPASSPASSPASSFAILFAIL
focus-within-012.htmlPASSPASSPASSPASSPASSPASS
focus-within-013.htmlPASSPASSPASSPASSPASSPASS
focus-within-display-none-001.html2/22/22/20/20/20/2
focus-within-focus-move.htmlPASSPASSPASSPASSFAILFAIL
focus-within-removal.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-001.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-002.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-003.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-004.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-005.htmlPASSPASSPASSPASSFAILFAIL
focus-within-shadow-006.htmlPASSPASSPASSPASSFAILFAIL
focus-within-toplayer-001.html3/30/33/30/30/30/3
has-argument-with-explicit-scope.html13/1313/1313/1313/130/130/13
has-basic.html18/1818/1818/1818/180/180/18
has-display-none-checked.htmlPASSPASSPASSPASSFAILFAIL
has-focus-display-change.htmlFAILPASSFAILPASSFAILFAIL
has-matches-to-uninserted-elements.html12/1212/1212/1212/120/120/12
has-nth-of-crash.htmlPASSPASSPASSPASSPASSPASS
has-relative-argument.html35/3535/3535/3535/350/350/35
has-sibling-chrome-crash.htmlPASSPASSPASSPASSPASSPASS
has-specificity.html8/88/88/88/81/81/8
has-style-sharing-001.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-002.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-003.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-004.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-005.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-006.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-007.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-001.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-002.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-003.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-004.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-005.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-006.htmlPASSPASSPASSPASSFAILFAIL
has-style-sharing-pseudo-007.htmlPASSPASSPASSPASSFAILPASS
has-style-sharing-pseudo-008.htmlPASSPASSPASSPASSFAILPASS
has-visited.htmlPASSPASSPASSPASSFAILFAIL
hash-collision-cssom.htmlPASSPASSPASSPASSPASSFAIL
hash-collision.htmlPASSPASSPASSPASSPASSPASS
heading-prefixed.html0/60/66/66/60/60/6
heading.html0/1820/182182/182182/1820/1820/182
historical-xmlid.xhtPASSPASSPASSPASSPASSFAIL
hover-002.html2/22/22/22/22/20/2
hover-boundary-events.htmlPASSPASSPASSPASSFAILNOT RUN
hover-toplayer-001.html3/30/33/30/30/30/3
is-default-ns-001.htmlPASSPASSPASSPASSPASSPASS
is-default-ns-002.htmlPASSPASSPASSPASSPASSPASS
is-default-ns-003.htmlPASSFAILPASSPASSPASSPASS
is-nested.html2/22/22/22/22/22/2
is-specificity-shadow.htmlPASSPASSPASSPASSPASSPASS
is-specificity.htmlPASSPASSPASSPASSPASSPASS
is-where-basic.html15/1515/1515/1514/1515/1515/15
is-where-error-crash.htmlPASSPASSPASSPASSPASSPASS
is-where-error-recovery.htmlPASSPASSPASSPASSPASSFAIL
is-where-not.html18/1818/1818/1818/1818/1818/18
is-where-pseudo-classes.htmlPASSPASSPASSPASSPASSPASS
is-where-pseudo-elements.htmlPASSPASSPASSPASSPASSPASS
is-where-shadow.html3/32/32/32/32/30/3
is-where-visited.htmlPASSFAILFAILFAILFAILFAIL
last-child.html5/55/55/55/55/55/5
last-of-type.html9/99/99/99/99/99/9
link-sharing-crash.htmlPASSPASSPASSPASSPASSPASS
missing-right-token.htmlPASSPASSPASSPASSPASSPASS
modal-pseudo-class.html2/22/22/21/20/20/2
not-complex.html20/2020/2020/2020/2020/2020/20
not-default-ns-001.htmlPASSPASSPASSPASSPASSPASS
not-default-ns-002.htmlPASSPASSPASSPASSPASSPASS
not-default-ns-003.htmlPASSFAILPASSPASSPASSPASS
not-links.htmlPASSPASSPASSFAILPASSFAIL
not-specificity.html8/88/88/88/88/88/8
nth-child-and-nth-last-child.htmlPASSPASSPASSPASSFAILFAIL
nth-child-large-anplusb-clamp.html3/33/33/33/33/30/3
nth-child-of-attribute.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-classname-002.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-classname.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-complex-selector-many-children-2.htmlPASSPASSPASSPASSPASSPASS
nth-child-of-complex-selector-many-children.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-complex-selector.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-compound-selector.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-has.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-nesting.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-no-space-after-of.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-not.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-nth-child.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-pseudo.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-tagname.htmlPASSPASSPASSPASSFAILFAIL
nth-child-of-universal-selector.htmlPASSPASSPASSPASSFAILFAIL
nth-child-specificity-1.htmlPASSPASSPASSFAILFAILFAIL
nth-child-specificity-2.htmlPASSPASSPASSFAILFAILFAIL
nth-child-specificity-3.htmlPASSPASSPASSPASSFAILFAIL
nth-child-specificity-4.htmlPASSPASSPASSPASSFAILFAIL
nth-child-spurious-brace-crash.htmlPASSPASSPASSPASSPASSPASS
nth-last-child-invalid.htmlPASSPASSPASSPASSPASSPASS
nth-last-child-of-classname.htmlPASSPASSPASSPASSFAILFAIL
nth-last-child-of-complex-selector.htmlPASSPASSPASSPASSFAILFAIL
nth-last-child-of-compound-selector.htmlPASSPASSPASSPASSFAILFAIL
nth-last-child-of-nesting.htmlPASSPASSPASSPASSFAILFAIL
nth-last-child-of-no-space-after-of.htmlPASSPASSFAILPASSFAILFAIL
nth-last-child-of-style-sharing-1.htmlPASSPASSFAILPASSFAILFAIL
nth-last-child-of-style-sharing-2.htmlPASSPASSFAILPASSFAILFAIL
nth-last-child-of-tagname.htmlPASSPASSFAILPASSFAILFAIL
nth-last-child-specificity-1.htmlPASSPASSPASSFAILFAILFAIL
nth-last-child-specificity-2.htmlPASSPASSPASSFAILFAILFAIL
nth-last-child-specificity-3.htmlPASSPASSPASSPASSFAILFAIL
nth-last-child-specificity-4.htmlPASSPASSPASSPASSFAILFAIL
nth-of-invalid.htmlPASSPASSPASSPASSPASSPASS
nth-of-selector-before.htmlPASSPASSPASSPASSFAILFAIL
nth-of-type-namespace.html3/33/33/33/33/33/3
of-type-selectors.xhtmlPASSPASSPASSPASSPASSPASS
only-child.html5/55/55/55/55/55/5
only-of-type.html5/55/55/55/55/55/5
open-pseudo.html3/33/33/33/30/30/3
placeholder-shown.html7/77/77/77/75/74/7
popover-open-with-has-sibling-selector.htmlPASSPASSPASSPASSTIMEOUTFAIL
pseudo-enabled-disabled.html4/44/44/44/44/44/4
pseudo-where-crash.htmlPASSPASSPASSPASSPASSPASS
quirks-mode-import.htmlPASSPASSPASSPASSPASSFAIL
remove-hovered-element.htmlPASSPASSFAILPASSFAILFAIL
root-siblings.htmlPASSPASSPASSPASSPASSPASS
scope-selector.html3/33/33/32/33/30/3
scope-without-scoping.htmlPASSPASSPASSPASSPASSPASS
selection-image-001.htmlPASSPASSPASSPASSFAILFAIL
selection-image-002.htmlPASSPASSPASSPASSPASSFAIL
selector-after-font-family.htmlPASSPASSPASSPASSPASSPASS
selector-placeholder-shown-emptify-placeholder.html2/22/22/22/22/22/2
selector-placeholder-shown-type-change-001.htmlPASSPASSPASSPASSPASSFAIL
selector-placeholder-shown-type-change-002.htmlPASSPASSPASSPASSFAILFAIL
selector-placeholder-shown-type-change-003.htmlPASSPASSPASSPASSFAILFAIL
selector-read-write-type-change-001.htmlPASSPASSPASSPASSPASSPASS
selector-read-write-type-change-002.htmlPASSPASSPASSPASSPASSFAIL
selector-required-type-change-001.htmlPASSPASSPASSPASSPASSPASS
selector-required-type-change-002.htmlPASSPASSPASSPASSFAILFAIL
selector-required.htmlPASSPASSPASSPASSFAILFAIL
selector-structural-pseudo-root.htmlPASSPASSPASSPASSPASSPASS
selectors-attr-many-2.htmlPASSPASSPASSPASSPASSPASS
selectors-attr-many.htmlPASSPASSPASSPASSPASSPASS
selectors-attr-white-space-001.htmlPASSPASSPASSPASSPASSPASS
selectors-case-sensitive-001.html3/33/33/33/33/33/3
selectors-empty-001.xmlPASSPASSPASSPASSPASSFAIL
selectors-namespace-001.xmlPASSPASSPASSPASSPASSPASS
sharing-in-svg-use.htmlPASSPASSPASSPASSFAILFAIL
spurious-brace-crash.htmlPASSPASSPASSPASSPASSPASS
text-emphasis-visited-inheritance.htmlPASSPASSPASSPASSPASSPASS
text-fill-color-visited-inheritance.htmlPASSPASSPASSPASSPASSPASS
text-stroke-color-visited-inheritance.htmlPASSPASSPASSPASSPASSPASS
toplayer-transition-001.html2/20/22/20/20/20/2
user-action-pseudo-top-layer.html4/41/43/41/40/40/4
user-invalid-form-submission-invalidation.htmlFAILPASSPASSPASSFAILFAIL
user-invalid.html8/87/88/84/81/81/8
user-valid-user-invalid-multifield-inputs.tentative.html3/30/30/30/30/30/3
user-valid.html5/54/55/52/50/50/5
valid-invalid-form-fieldset.htmlPASSPASSPASSPASSFAILFAIL
visited-in-visited-compound.htmlPASSPASSPASSPASSPASSPASS
visited-inheritance.htmlPASSPASSPASSPASSPASSPASS
visited-nested.htmlPASSPASSPASSPASSPASSPASS
visited-part-crash.htmlPASSPASSPASSPASSPASSPASS
webkit-pseudo-element.html6/66/66/66/61/61/6
x-pseudo-element.htmlPASSPASSPASSPASSPASSPASS
xml-class-selector.xmlFAILPASSPASSPASSPASSPASS