W3C markup validation tools
E29564
W3C markup validation tools are online and software-based services provided by the World Wide Web Consortium that check web documents for compliance with HTML, XHTML, and other web standards.
Aliases (3)
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
software tool
→
web validation service suite → |
| accessURL |
https://jigsaw.w3.org/css-validator/
→
https://validator.w3.org/ → |
| checks |
CSS property and value validity
→
attribute value correctness → character encoding declarations → conformance to document type definition → document type declaration → syntax errors in markup → use of deprecated elements → |
| deploymentModel |
downloadable software
→
online service → |
| implementsStandard |
W3C CSS specifications
→
W3C HTML specifications → W3C MathML specifications → W3C SVG specifications → W3C XHTML specifications → W3C XML specifications → |
| license |
open source license
→
|
| maintainer |
W3C Team
→
|
| output |
error messages
→
validation report → warnings → |
| provider |
World Wide Web Consortium
→
|
| purpose |
check web documents for compliance with web standards
→
|
| relatedTool |
W3C CSS Validation Service
→
W3C Link Checker → W3C Markup Validation Service → W3C Unicorn → |
| shortName |
W3C validators
→
|
| supportsAutomation |
command-line usage
→
integration into build processes → |
| supportsInputMethod |
URI input
→
direct markup input → file upload → |
| targetUser |
QA engineers
→
web designers → web developers → |
| useCase |
education about web standards
→
quality assurance for websites → web accessibility support → |
| validates |
ARIA usage in markup
→
CSS → HTML → HTML5 → MathML → RDFa → SVG → XHTML → XML → |
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
W3C markup validation tools
("W3C Markup Validation Service")
→
W3C markup validation tools ("W3C Link Checker") → |
relatedTool |
|
Dave Raggett
→
|
contributedTo |
|
W3C markup validation tools
("W3C validators")
→
|
shortName |