Question 1

What HTML standards does this validate?

Accepted Answer

The validator checks against HTML5 standards. It catches common issues like unclosed tags, invalid nesting, missing required attributes, and deprecated elements.

Question 2

What's the difference between HTML and XML validation?

Accepted Answer

HTML is more forgiving than XML. Self-closing tags like
are valid in HTML but require
in XML. Check our XML Validator for stricter validation.

Question 3

Does this check for accessibility issues?

Accepted Answer

The validator focuses on HTML syntax and structure. For accessibility (WCAG) validation, use specialized tools like axe or WAVE alongside this validator.

Question 4

Is my data secure?

Accepted Answer

Yes, all validation happens locally in your browser. Your HTML code never leaves your device.

HTML

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