Which Web-based validation tool is used to validate HTML documents?

The correct answer is C. www.validator.w3.org. www.validator.w3.org is the official W3C Markup Validation Service, maintained by the World Wide Web Consortium - the same organization that defines HTML standards - making it the authoritative tool for validating HTML documents against those standards. The distractors serve…

HTML5 Coding

Question

Options

How the community answered

(21 responses)

A
10% (2)
B
5% (1)
C
86% (18)

Explanation

www.validator.w3.org is the official W3C Markup Validation Service, maintained by the World Wide Web Consortium - the same organization that defines HTML standards - making it the authoritative tool for validating HTML documents against those standards.

The distractors serve different purposes: vischeck.com simulates how colorblind users perceive web pages (color accessibility, not HTML validation); jigsaw.w3.org is the W3C's CSS validator, not the HTML validator (though it's easy to confuse since both are W3C tools); and cynthiaSays.com tests web accessibility compliance (Section 508/WCAG), not HTML syntax validity.

Memory tip: Associate "validator" in the URL with HTML validation - it's the most literal and direct option. When you see "validator.w3.org," the word validator tells you exactly what it does.

Topics

#HTML validation#W3C validator#markup validation#web tools

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