Validator.nu
2.1 Gamma
Validator Input
Schemas
Preset
None
DocBook 5.0b9
RELAX NG
SVG 1.1
XHTML Basic
XHTML 1.0 Frameset
XHTML 1.0 Strict
XHTML 1.0 Strict with partial WCAG 1.0 checks
XHTML 1.0 Strict, SVG 1.1 plus MathML 2.0
XHTML 1.0 Transitional
XHTML 1.0 Transitional with partial WCAG 1.0 checks
XHTML5 (prerelease schema)
HTML5 (prerelease schema)
XSLT 1.0
Parser
Automatically from Content-Type
XML; don’t load external entities
XML; load external entities
HTML; flavor from doctype
HTML5
HTML 4.01 Strict
HTML 4.01 Transitional
Show Source
Content
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