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.

Score history

Data from commit:
ff623a8 Fix the position of collapsed table borders (#1005) (2026-10-01)

Area	Interop Score	Tests	Test %	Subtests	Subtest %
Total	4.76%	(1/21)	4.76%	(1/21)	4.76%

Test	Subtests	Subtest %	Status
page-utf16-css-bomless-utf16.html	(0/1)	0.00%	MISSING
page-utf16-css-bomless-utf16be.html	(0/1)	0.00%	MISSING
page-utf16-css-no-decl-ascii-only.html	(0/1)	0.00%	MISSING
page-utf16-css-no-decl.html	(0/1)	0.00%	MISSING
page-windows-1251-charset-attribute-bogus.html	(0/1)	0.00%	FAIL
page-windows-1251-charset-attribute-empty.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-1250-charset-attribute-windows-1253.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-bogus-charset-attribute-windows-1250.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-bogus.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-utf16-ascii-only.html	(1/1)	100.00%	PASS
page-windows-1251-css-at-charset-utf16.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-utf16be.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-windows-1250-in-utf16.html	(0/1)	0.00%	FAIL
page-windows-1251-css-at-charset-windows-1250-in-utf16be.html	(0/1)	0.00%	FAIL
page-windows-1251-css-http-bogus-at-charset-windows-1250.html	(0/1)	0.00%	FAIL
page-windows-1251-css-http-bogus.html	(0/1)	0.00%	FAIL
page-windows-1251-css-http-windows-1250-at-charset-windows-1253.html	(0/1)	0.00%	FAIL
page-windows-1251-css-no-decl.html	(0/1)	0.00%	FAIL
page-windows-1251-css-utf8-bom.html	(0/1)	0.00%	FAIL
page-windows-1252-http-windows-1251-css-utf8-bom.html	(0/1)	0.00%	FAIL
xml-stylesheet-page-windows-1251-charset-attribute-windows-1250.xhtml	(0/1)	0.00%	FAIL