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WPT

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 / CSS2 / syntax

Spec: CSS ↗

Runs: Chrome 155.0.8039.0 (wpt@752608e1a, 2026-09-03) | Firefox 157.0a1 (wpt@752608e1a, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total99.8%1464/146799.8%1464/146799.8%1464/146799.5%1460/146798.8%1450/146795.5%1401/1467
TestChromeFirefoxSafariLadybirdServoBlitz
at-charset-001.xhtPASSPASSPASSPASSPASSFAIL
at-charset-002.xhtPASSPASSPASSPASSPASSFAIL
at-charset-003.xhtPASSPASSPASSPASSPASSFAIL
at-charset-004.xhtPASSPASSPASSPASSPASSFAIL
at-charset-005.xhtPASSPASSPASSPASSPASSFAIL
at-charset-006.xhtPASSPASSPASSPASSPASSFAIL
at-charset-007.xhtPASSPASSPASSPASSPASSFAIL
at-charset-008.xhtPASSPASSPASSPASSPASSFAIL
at-charset-009.xhtPASSPASSPASSPASSPASSFAIL
at-charset-010.xhtPASSPASSPASSPASSFAILFAIL
at-charset-011.xhtPASSPASSPASSPASSFAILFAIL
at-charset-012.xhtPASSFAILPASSFAILFAILFAIL
at-charset-014.xhtPASSPASSPASSPASSPASSFAIL
at-charset-015.xhtPASSPASSPASSPASSPASSFAIL
at-charset-016.xhtPASSPASSPASSPASSPASSFAIL
at-charset-019.xhtPASSPASSPASSPASSPASSFAIL
at-charset-020.xhtPASSPASSPASSPASSPASSFAIL
at-charset-021.xhtPASSPASSPASSPASSPASSFAIL
at-charset-024.xhtPASSPASSPASSPASSPASSFAIL
at-charset-025.xhtPASSPASSPASSPASSPASSFAIL
at-charset-026.xhtPASSPASSPASSPASSPASSFAIL
at-charset-027.xhtPASSPASSPASSPASSPASSFAIL
at-charset-028.xhtPASSPASSPASSPASSPASSPASS
at-charset-029.xhtPASSPASSPASSPASSPASSPASS
at-charset-030.xhtPASSPASSPASSPASSPASSPASS
at-charset-033.xhtPASSPASSPASSPASSPASSPASS
at-charset-034.xhtPASSPASSPASSPASSPASSPASS
at-charset-035.xhtPASSPASSPASSPASSPASSPASS
at-charset-036.xhtPASSPASSPASSPASSPASSPASS
at-charset-037.xhtPASSPASSPASSPASSPASSPASS
at-charset-038.xhtPASSPASSPASSPASSPASSPASS
at-charset-039.xhtPASSPASSPASSPASSPASSPASS
at-charset-040.xhtPASSPASSPASSPASSPASSPASS
at-charset-041.xhtPASSPASSPASSPASSPASSPASS
at-charset-042.xhtPASSPASSPASSPASSPASSFAIL
at-charset-043.xhtPASSPASSPASSPASSPASSFAIL
at-charset-044.xhtPASSPASSPASSPASSPASSPASS
at-charset-045.xhtPASSPASSPASSPASSPASSFAIL
at-charset-046.xhtPASSPASSPASSPASSPASSPASS
at-charset-047.xhtPASSPASSPASSPASSPASSPASS
at-charset-048.xhtPASSPASSPASSPASSPASSPASS
at-charset-049.xhtPASSPASSPASSPASSPASSPASS
at-charset-050.xhtPASSPASSPASSPASSPASSPASS
at-charset-051.xhtPASSPASSPASSPASSPASSPASS
at-charset-052.xhtPASSPASSPASSPASSPASSPASS
at-charset-053.xhtPASSPASSPASSPASSPASSFAIL
at-charset-054.xhtPASSPASSPASSPASSPASSPASS
at-charset-055.xhtPASSPASSPASSPASSPASSPASS
at-charset-056.xhtPASSPASSPASSPASSPASSPASS
at-charset-057.xhtPASSPASSPASSPASSPASSPASS
at-charset-058.xhtPASSPASSPASSPASSPASSPASS
at-charset-059.xhtPASSPASSPASSPASSPASSPASS
at-charset-060.xhtPASSPASSPASSPASSPASSFAIL
at-charset-061.xhtPASSPASSPASSPASSPASSPASS
at-charset-071.xhtPASSPASSPASSPASSPASSFAIL
at-charset-072.xhtPASSPASSPASSPASSPASSFAIL
at-charset-073.xhtPASSPASSPASSPASSPASSFAIL
at-charset-074.xhtPASSPASSPASSPASSPASSFAIL
at-charset-075.xhtPASSPASSPASSPASSPASSFAIL
at-charset-076.xhtPASSPASSPASSPASSPASSFAIL
at-charset-077.xhtPASSPASSPASSPASSPASSFAIL
at-charset-quotes-001.xhtPASSPASSPASSPASSPASSPASS
at-charset-space-001.xhtPASSPASSPASSPASSPASSPASS
at-charset-space-002.xhtPASSPASSPASSPASSPASSPASS
at-charset-utf16-be-001.xhtPASSPASSPASSPASSPASSPASS
at-charset-utf16-be-002.xhtPASSPASSPASSPASSPASSFAIL
at-charset-utf16-be-003.xhtPASSPASSPASSPASSPASSFAIL
at-charset-utf16-le-001.xhtPASSPASSPASSPASSPASSPASS
at-charset-utf16-le-002.xhtPASSPASSPASSPASSPASSFAIL
at-charset-utf16-le-003.xhtPASSPASSPASSPASSPASSFAIL
at-keywords-000.xhtPASSPASSPASSPASSPASSPASS
at-keywords-001.xhtPASSPASSPASSPASSPASSPASS
at-keywords-002.xhtPASSPASSPASSPASSPASSPASS
at-rule-001.xhtPASSPASSPASSPASSPASSPASS
at-rule-002.xhtPASSPASSPASSPASSPASSPASS
at-rule-003.xhtPASSPASSPASSPASSPASSPASS
at-rule-004.xhtPASSPASSPASSPASSPASSPASS
at-rule-005.xhtPASSPASSPASSPASSPASSPASS
at-rule-006.xhtPASSPASSPASSPASSPASSPASS
at-rule-007.xhtPASSPASSPASSPASSPASSPASS
at-rule-008.xhtPASSPASSPASSPASSPASSPASS
at-rule-009.xhtPASSPASSPASSPASSPASSPASS
at-rule-010.xhtPASSPASSPASSPASSPASSPASS
at-rule-011.xhtPASSPASSPASSPASSPASSPASS
at-rule-012.xhtPASSPASSPASSPASSPASSPASS
at-rule-013.xhtPASSPASSPASSPASSPASSPASS
at-rules-000.xhtPASSPASSPASSPASSPASSPASS
at-rules-001.xhtPASSPASSPASSPASSPASSPASS
at-rules-002.xhtPASSPASSPASSPASSPASSPASS
at-rules-003.xhtPASSPASSPASSPASSPASSPASS
at-rules-004.xhtPASSPASSPASSPASSPASSPASS
bad-selector-001.xhtPASSPASSPASSPASSPASSPASS
blocks-001.xhtPASSPASSPASSPASSPASSPASS
blocks-002.xhtPASSPASSPASSPASSPASSPASS
blocks-003.xhtPASSPASSPASSPASSPASSPASS
blocks-004.xhtPASSPASSPASSPASSPASSPASS
blocks-005.xhtPASSPASSPASSPASSPASSPASS
blocks-006.xhtPASSPASSPASSPASSPASSPASS
blocks-and-strings-001.xhtPASSPASSPASSPASSPASSPASS
case-sensitive-000.xhtPASSPASSPASSPASSPASSPASS
case-sensitive-001.xhtPASSPASSPASSPASSPASSPASS
case-sensitive-003.xhtPASSPASSPASSFAILFAILFAIL
case-sensitive-004.xhtPASSPASSPASSPASSPASSFAIL
case-sensitive-005.xhtPASSPASSPASSPASSFAILPASS
case-sensitive-006.htmlPASSPASSPASSPASSPASSPASS
case-sensitive-007.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-031.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-032.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-033.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-034.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-035.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-036.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-037.xhtPASSPASSPASSPASSPASSFAIL
character-encoding-041.xhtPASSPASSPASSPASSPASSFAIL
characters-0080-009F-001.xhtPASSPASSPASSPASSPASSPASS
charset-attr-001.xhtPASSPASSPASSPASSFAILFAIL
colors-001.xhtPASSPASSPASSPASSPASSPASS
colors-002.xhtPASSPASSPASSPASSPASSPASS
colors-003.xhtPASSPASSPASSPASSPASSPASS
colors-004.xhtPASSPASSPASSPASSPASSPASS
colors-005.xhtPASSPASSPASSPASSPASSPASS
colors-006.xhtPASSPASSPASSPASSPASSPASS
colors-007.html1192/11921192/11921192/11921192/11921192/11921192/1192
comments-001.xhtPASSPASSPASSPASSPASSPASS
comments-002.xhtPASSPASSPASSPASSPASSPASS
comments-003.xhtPASSPASSPASSPASSPASSPASS
comments-004.xhtPASSPASSPASSPASSPASSPASS
comments-005.xhtPASSPASSPASSPASSPASSPASS
comments-006.xhtPASSPASSPASSPASSPASSPASS
comments-007.xhtPASSPASSPASSPASSPASSPASS
comments-008.xhtPASSPASSPASSPASSPASSPASS
comments-009.xhtPASSPASSPASSPASSPASSPASS
content-type-000.xhtPASSPASSPASSFAILPASSFAIL
content-type-001.xhtPASSPASSPASSFAILPASSFAIL
core-syntax-001.xhtPASSPASSPASSPASSPASSPASS
core-syntax-006.xhtPASSPASSPASSPASSPASSPASS
core-syntax-007.xhtPASSPASSPASSPASSPASSPASS
core-syntax-008.xhtPASSPASSPASSPASSPASSPASS
core-syntax-009.xhtPASSPASSPASSPASSPASSPASS
counters-001.xhtPASSPASSPASSPASSFAILFAIL
counters-002.xhtPASSPASSPASSPASSPASSPASS
counters-003.xhtPASSPASSPASSPASSFAILFAIL
counters-004.xhtPASSPASSPASSPASSFAILFAIL
counters-005.xhtPASSPASSPASSPASSFAILFAIL
counters-006.xhtPASSPASSPASSPASSFAILFAIL
counters-007.xhtPASSPASSPASSPASSFAILFAIL
counters-008.xhtPASSPASSPASSPASSFAILFAIL
counters-009.xhtPASSPASSPASSPASSFAILFAIL
counters-010.xhtFAILPASSFAILFAILFAILFAIL
declaration-001.xhtPASSPASSPASSPASSPASSPASS
declaration-002.xhtPASSPASSPASSPASSPASSPASS
declaration-003.xhtPASSPASSPASSPASSPASSPASS
declaration-004.xhtPASSPASSPASSPASSPASSPASS
declaration-005.xhtPASSPASSPASSPASSPASSPASS
declaration-006.xhtPASSPASSPASSPASSPASSPASS
declaration-whitespace-001.xhtPASSPASSPASSPASSPASSPASS
declarations-009.xhtFAILFAILFAILFAILFAILFAIL
eof-001.xhtPASSPASSPASSPASSPASSPASS
eof-002.xhtPASSPASSPASSPASSPASSPASS
eof-003.xhtPASSPASSPASSPASSPASSPASS
eof-004.xhtPASSPASSPASSPASSPASSPASS
eof-005.xhtPASSPASSPASSPASSPASSPASS
eof-006.xhtPASSPASSPASSPASSPASSPASS
eof-007.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-001.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-002.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-003.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-004.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-char-001.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-001.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-002.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-003.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-004.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-005.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-006.xhtPASSPASSPASSPASSPASSPASS
escaped-ident-spaces-007.xhtPASSPASSPASSPASSPASSPASS
escaped-newline-001.xhtPASSPASSPASSPASSPASSPASS
escaped-url-001.xhtPASSPASSPASSPASSPASSPASS
escapes-000.xhtPASSPASSPASSPASSPASSFAIL
escapes-001.xhtPASSPASSPASSPASSPASSPASS
escapes-002.xhtPASSPASSPASSPASSPASSPASS
escapes-003.xhtPASSPASSPASSPASSPASSPASS
escapes-004.xhtPASSPASSPASSPASSPASSPASS
escapes-005.xhtPASSPASSPASSPASSPASSPASS
escapes-006.xhtPASSPASSPASSPASSPASSPASS
escapes-007.xhtPASSPASSPASSPASSPASSPASS
escapes-008.xhtPASSPASSPASSPASSPASSPASS
escapes-009.xhtPASSPASSPASSPASSPASSPASS
escapes-010.xhtPASSPASSPASSPASSPASSPASS
escapes-011.xhtPASSPASSPASSPASSPASSPASS
escapes-012.xhtPASSPASSPASSPASSPASSPASS
escapes-013.xhtPASSPASSPASSPASSPASSPASS
escapes-014.xhtPASSPASSPASSPASSPASSPASS
escapes-015.xhtPASSPASSPASSPASSPASSPASS
escapes-016.xhtPASSPASSPASSPASSPASSPASS
ident-000.xhtPASSPASSPASSPASSPASSPASS
ident-001.xhtPASSPASSPASSPASSPASSPASS
ident-002.xhtPASSPASSPASSPASSPASSPASS
ident-003.xhtPASSPASSPASSPASSPASSPASS
ident-004.xhtPASSPASSPASSPASSPASSPASS
ident-005.xhtPASSPASSPASSPASSPASSPASS
ident-006.xhtPASSPASSPASSPASSPASSPASS
ident-007.xhtPASSPASSPASSPASSPASSPASS
ident-008.xhtPASSPASSPASSPASSPASSPASS
ident-009.xhtPASSPASSPASSPASSPASSPASS
ident-010.xhtPASSPASSPASSPASSPASSPASS
ident-011.xhtPASSPASSPASSPASSPASSPASS
ident-012.xhtPASSPASSPASSPASSPASSPASS
ident-013.xhtPASSPASSPASSPASSPASSPASS
ident-014.xhtPASSPASSPASSPASSPASSPASS
ident-015.xhtPASSPASSPASSPASSPASSPASS
ident-016.xhtPASSPASSPASSPASSPASSPASS
ident-017.xhtPASSPASSPASSPASSPASSPASS
ident-018.xhtPASSPASSPASSPASSPASSPASS
ident-019.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-001.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-002.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-003.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-004.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-005.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-006.xhtPASSPASSPASSPASSPASSPASS
ignored-rules-007.xhtPASSPASSPASSPASSPASSPASS
import-000.xhtPASSPASSPASSPASSPASSPASS
import-001.xhtPASSPASSPASSPASSPASSPASS
invalid-at-rule-001.xhtPASSPASSPASSPASSPASSPASS
invalid-decl-at-rule-001.xhtPASSPASSPASSPASSPASSPASS
invalid-decl-at-rule-002.xhtPASSPASSPASSPASSPASSPASS
keywords-000.xhtPASSPASSPASSPASSPASSPASS
keywords-001.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-001.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-002.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-003.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-004.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-005.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-006.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-007.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-008.xhtPASSPASSPASSPASSPASSPASS
malformed-decl-block-001.xhtPASSPASSPASSPASSPASSPASS
matching-brackets-001.xhtPASSPASSPASSPASSPASSPASS
matching-brackets-002.xhtPASSPASSPASSPASSPASSPASS
matching-brackets-003.xhtPASSPASSPASSPASSPASSPASS
quoted-keywords-001.xhtPASSPASSPASSPASSPASSPASS
quoted-keywords-002.xhtPASSPASSPASSPASSPASSPASS
quoted-string-001.xhtPASSPASSPASSPASSPASSPASS
quoted-string-002.xhtPASSPASSPASSPASSPASSPASS
quoted-string-003.xhtPASSPASSPASSPASSPASSPASS
quoted-string-004.xhtPASSPASSPASSPASSPASSPASS
scientific-notation-001.xhtPASSPASSPASSPASSPASSPASS
sgml-comments-000.xhtPASSPASSPASSPASSPASSPASS
sgml-comments-001.xhtPASSPASSPASSPASSPASSPASS
sgml-comments-002.xhtPASSPASSPASSPASSPASSPASS
signed-numbers-001.xhtPASSPASSPASSPASSPASSPASS
signed-numbers-002.xhtPASSPASSPASSPASSPASSPASS
square-brackets-001.xhtPASSPASSPASSPASSPASSPASS
strings-000.xhtPASSPASSPASSPASSPASSPASS
unterminated-string-001.xhtPASSPASSPASSPASSPASSPASS
uri-001.xhtPASSPASSPASSPASSPASSPASS
uri-002.xhtPASSPASSPASSPASSPASSPASS
uri-003.xhtPASSPASSPASSPASSPASSPASS
uri-004.xhtPASSPASSPASSPASSPASSFAIL
uri-005.xhtPASSPASSPASSPASSPASSFAIL
uri-006.xhtPASSPASSPASSPASSPASSPASS
uri-007.xhtPASSPASSPASSPASSPASSPASS
uri-008.xhtPASSPASSPASSPASSPASSPASS
uri-009.xhtPASSPASSPASSPASSPASSPASS
uri-010.xhtPASSPASSPASSPASSPASSPASS
uri-011.xhtPASSPASSPASSPASSPASSPASS
uri-012.xhtPASSPASSPASSPASSPASSPASS
uri-013.xhtFAILFAILFAILFAILFAILFAIL
uri-014.xhtPASSPASSPASSPASSPASSPASS
uri-015.xhtPASSPASSPASSPASSPASSPASS
uri-016.xhtPASSPASSPASSPASSPASSPASS
uri-017.xhtPASSPASSPASSPASSPASSPASS
uri-018.xhtPASSPASSPASSPASSPASSPASS
whitespace-001.xhtPASSPASSPASSPASSPASSPASS
whitespace-002.xhtPASSPASSPASSPASSPASSPASS